Zo om anyone?? i am booor. ed 10 × 10?​

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.

Need same math paper but the back now i hope your able to read it cleary i need with hw

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42