Five friends went on a road trip and kept track of how long each of them spent driving.
what percent of the driving was done by sheng?
write your answer using a percent sign (%).

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

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)?