Randall wants to mix 37 lb of nuts worth $2 per lb with some nuts worth $8 per lb to make a mixture worth $7 per lb. how many pounds of $8 nuts must he use?

How many terms does the polynomial x^2 y^2 have

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?

Factor the polynomial expression x6 – x3 – 20