Select the correct answer from each drop-down menu. In this graph, the y-intercept of the line is ___. The equation of the line is y =_ x _ .

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

How is working backward similar to solving an equation?

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?