APQR is inscribed in a circle with mZP = 40, mZQ = 50, and mZR=90. What are the measures of PO, QR, and PR? OR
PR
(Type integers or decimals.)

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

If u good at math hit me up on insta or sum @basic_jaiden or @ and