Molly opened a bank account. she deposited $86.50 into her account every month for 20 months. she used $24.50 every month to pay for singing lessons. after 20 months, she 1/4of the total money left in her account to go to a summer camp for singers. what is the total amount of money molly spent to go to the summer camp?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

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?