after serious negotiating you got $25 discount on a pair of sneakers. the original price of the sneakers 125 what percentage discount did you get. (NEED EQUATION AND WORK)

What is the value of the expression below? 148+(-6)| + |– 35= 7|

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)

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?