Which of the binomials below is a factor of this expression? 100a2 - 49b2

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

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?