How can get a cup stain off my Chromebook top? Like I tried everything. And I start school on the 1st of September. Plz help me

During an experiment, what is the purpose of a control group?Group of answer choicesTo disprove the theoryTo produce replicated results of other groupsTo compare results to the experimental group with the variable being testedTo prove the hypothesis Please put the following symptoms of the common cold in the order in which they usually appear. Runny nose, itchy throat, cough, chest congestion In the following expression, both A and B are variables that can take positive values. A+2/BWhich of these actions will cause the expression's value to increase?Choose 2 AnswersA.Keeping A constant and increasing BB.Keeping A constant and decreasing BC.Increasing A and keeping B constantD.Decreasing A and keeping B constant On the first day of December, 34,789 people went to the mall. On the second day 63,587 people went to the mall. How many people went to the mall over the two days WHAT IS THE PURPOSE OF THIS SENTENCE?"By selling candy and other junk food in the lunchroom public schools are teaching poor nutrition such "lessons" mustnot be allowed. We must forbid public schools from teaching our children to eat unhealthy foods."A. entertainB. informC. persuadeD. instruct Which Experession Is Equivalent To 13-(21) how do i solve this? A wombat runs south in a straight line with an average velocity of 5 m/s for 4minutes and then with an average velocity of 4 m/s for 3 minutes in the samedirection.What is the wombats total displacement? What is the average velocity during that time? PLS HELP I NEED THIS RNNN The AmericasPositive Impact - Negative Impact - find the range of possible values for x An ambulance is currently traveling at 15m/s, and is accelerating with a constant acceleration of 5 m/s^2. The ambulance is attempting to pass a car that is moving at a constant velocity of 30m/s. How far must the ambulance travel until it matches the cars velocity? Bob the American has just driven his car across the Canadian border when he sees aspeed limit sign of 85 kilometers/hour. His speedometer only shows his speed inmiles/hour. Convert the kilometers to miles so that Bob doesn't get a speeding ticket.(Conversions: 1 mile = 5280 ft; 1 foot = 12 in.; 1 inch = 2.54 cm Walking is not the most exciting form of exercise a person can take on for fitness. Yet it is low impact and requires no fancy equipment. That makes walking a simple activity for those new to exercise. Walking is less likely than other exercises to cause injury to leg tendons and muscles. All it requires is a good pair of sneakersno cables, stylish outfits, or weights required. Of course, a person could increase the benefit of a workout by adding weights or speed walking.Explain whether the main idea is explicit or implicit in this paragraph. It is explicit because it is directly stated in the paragraph. It is explicit because it is not directly stated in the paragraph. It is implicit because it is directly stated in the paragraph. It is implicit because it is not directly stated in the paragraph. which statement best explains the significance of meiosis {sex cell division} in evolution of a species? Write this as an algebraic expression:You have $100 and make $25 a day How do you calculate frequency? If there are 138 bright white phones out of 1301 total phones, how do I calculate the frequency? Find the circumference of a circle if the area of the circle is 256 in. I. Choose the word whose underlined part pronounced differently from that of the others. 1. A. interest B. film C. discuss D. bicycle 2. A. secure B. mean C. satisfy D. pick 3. A. frighten B. given C. prepare D. install 4. A. seaside B. scream C. exit D. seen 5. A. physical B. pyramid C. typing D. myth 6. A. coming B. firemen C. district D. disappoint 7. A. people B. believe C. beach D. children 8. A. resume B. realize C. employ D. badminton 9. A. repeated B. panic C. typical D. morning 10. A. literature B. English C. geography D. biology Find the smallest number that must be added to 7653 to make it a perfect square? Explain. Which of the following is true ?Select one:O a. 70