SOLVE. PLS HELP HURRY I PUT TEN POINTS! click to see full and the lines mean the estimate here is the question:estimate then add write each sum in simplest form solve the two of them pls thank you

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.

Reflect the point (7,0) across the y-axis

Identify the number as a rational or irrational.explain. 127