The perimeter of a rectangle is 66 cm and its width is half its length. what are the length and the width of the rectangle?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x