Which sample is the best representation of a box that holds 20 red buttons, 60 green buttons, 80 blue buttons and 40 yellow buttons?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.