Can someone please help me

If 3x+8=3x+8 is it one solution or no solution

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit