In 10 years, Kellie will be 20 years younger than 3 times her current age. What is Kellie's current age? Enter your answer by clicking the bubbles

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?