Nancy is saving $2 from her allowance. marco is saving $1 the fist week, $2 the second week, $3 the third week, and so on. at the end of 10 weeks, who will have saved more money? how much more?

Which expression is equivalent to −16y+13 ? −16(−y+13) 16(−y+2) −16(y+2) 16(−y+13)

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?

What is the factor form of x^2-9x+14