The average speed for the first 400 miles was 50 mph. the average speed for the next 600 miles was 40 mph. what should be the average speed for the next 650 miles be so that the overall average speed would be 50 mph?

Which of the following expressions is equal to 2x^2+8

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.