Graph a line that contains the point (3,-6) and has slope of -1/2

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)

The olympic-size pool at the recreational center is a right rectangular prism 50m long and 25m wide. the pool contains 3000m of water. how deep is the water in the pool?