Can anyone help me with this ? Plz and thanks

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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

Which value of y will make the inequality y< -1 false?