Can someone pls help

Match each function with the corresponding function formula when h(x)=5-3x and g(x)=-3+5

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

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have