What do u think the answer is !!

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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?

Who long does it take to drive 150 miles at 45 miles per hour