The manager of a 100-unit apartment complex knows from experience that all units will be occupied if the rent is $800 per month. a market survey suggests that, on average, one additional unit will remain vacant for each $10 increase in rent. what rent should the manager charge to maximize revenue?

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9