Write an equation in standard form of an ellipse that has a vertex at (−6, 0), a co-vertex at (0, 5), and a center at the origin.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.