Somebody help plz how can i solve the following equations of 6v+3=21​

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.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh