Write an number sentence to add 6 ones to 21.write a number sentence to add 6 tens to 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.

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.