Amy and julie are arguing about a math problem. amy thinks (12, -5) is a solution to the equation 3x – 3y = 21. julie does not think it is a solution. who do you agree with and why?

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

Choose the more precise measurement. 26.4 cm or 8.39 cm

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50