Kelly is paid $20 to babysit for 8 hours. How much is she paid per hour? A. $2.50
B. $2.00
C. $22.50
D. $12.00

Which expression will have the same sum as 3_8 + 1/4?

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?