Solve the following system of equations using substitution. what is the value of y?
2x+3y=105 x+2y=65 a. 15 b. 25 c. 40*** d. 65

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?