Holly is deriving the equation of a line by using one triangle with vertices(0, 0),(1, 0), and (1, 5) and another similar triangle with vertices (−3,−15), (−5,−15),and(−5,−25).Which of these proportions can she set up to help derive the equation?

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

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?