What is the circumference of a circular swimming pool with a diameter of 20 feet? (Round your answer to the nearest tenth.)
A. 62.8 ft
B. 15.7 ft
c. 125.7 ft
D. 314 ft

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

Does the point (1, sqrt 7) lie on circle shown.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.