y varies directly as x and inversely as the square of z. y=12 when x=50 and z=5. Find y when x=64 and z=4.

Which is an equation for the nth terms of the sequence 12,15,18,21

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16