What is the shape of the marginal revenue curve when the total revenue curve has a concave shape?

The red bus company charges $150 plus $72 per hour to rent a bus. The blue bus company charges $240 plus 54 per hour. For what number of hours would the companies charge the same?

What is the slope of line a?

Three times the quantity five less than x, divided by the product of six and x

When you prove a statement mathematically, you must show that the statement is true for all possible values. How could you prove the product of any two negative numbers is a positive number. Explain your reasoning.

A circle has an area of 62.9 square inches. What is the radius of the circle? Round to the nearest tenth.

Ryder used front-end estimation to estimate the product of (-24.98) (-1.29). What was his estimate? A. - 32 B. - 20 C. 20 D. 32

If m+40=75 then m is

The sum of a number (n) and 14 is 72 which equation shows this relationship

What is the rate of 55 sit ups in 5 minutes

How do you factor, 45c + 10d?