Find and simplify an expression for the area of two rows of b squares with side lengths of b centimeters bcm b cm b squares per row The area is square centimeters.

What is a possible solutions of the x> 3?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

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?