Write the equation of the ellipse with center at the origin, a vertex at (5,0), and focus at (-4,0)

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

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.

What is the measure of angle a and angle c ?