Acaterers fee is based on the number of meals she provides how much is the price per meal if the total fee is $1,088 for 64 meals

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.