What is 140 divided by 8

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Which two undefined geometric terms always describe figures with no beginning or end?

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?