For each ordered pair, determine whether it is a solution to the system of equations.
5x-3y=7
-2x+7y=3
(9,3)
(2.1)
(-80)
(-4,-9)

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

To decrease an amount by 16% what single multiplier would you use

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.