Evaluate the following expression when x = 3 and y = 4:
2x + y2 - 1

Use set builder notation to represent the following set: { -3, -2, -1, 0}

How do you use the elimination method for this question? explain, because i really want to understand!

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