Can someone help me with the question below. just number #1 please :)

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

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Find the value of x for which line a is parallel to line b