In the diagram below, m A = 58°, m B = 55° and mZC = 79º.
Find mZD.

How many $20 bills do you need to have to make $280

What are the solutions of the following system? y=-2x^2 y=x-2

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.