Is t= 15d proportional or non proportional

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.

In the diagram below,abc is congruent to dec what is the value of x

Find the solution on the interval [0, 2pi)