8th grade math, please help.
I’ll give you brainliest if you want.

-Find the volume-

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Someone me what is the area of this figure? 18m 18m 8m 16m