What should be done to both sides of the equation in order to solve n/4 = -12.4? A. Multiply by 4.
B. Divide by 4.
C. Multiply by -12.4.
D. Divide by -12.4.

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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 sum of the first 8 terms of the geometric series