I’m stuck on this question.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )