Brian grew eight pounds of blueberries. he wants to package them in quarter pound bags and sell them for $3 each. how much money will he make if he sells out.

show work do some like that

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?