4. Marcos wants to paint his skateboard ramp shown below. What is the total surface area of the skateboard ramp?​

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .