Helps me solve this problem please

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

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8