What is the value of A? What is the value of B?
What is the value of x?
What is the value of y?
What is the value of z?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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.

What is 1/2 x (6 x 4)+3 + 2 show your work