Solve for x. Then find the side lengths of the triangle. If needed, round to the nearest tenth of a foot.

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.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Which of the following is not a subset of {1,2,3}?