If the distance between P(a,6) and Q(a,0) is 10 units then find the value of a.

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?