Solve the inequality -2(k+3) < -2k - 7

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

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Which value would be a solution for x in the inequality 47-4x< 7