Find the values of f(x) = 9x2 + 1 for the domain values of {-3, 6}

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

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?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.