A function is shown below
g(x) = 24.50 +1.340
What is the value of g (20)

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6

Having a hard time understanding this question (see attachment).

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?