What is the surface area with the dimensions 6 9 10.5 centimeters

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

What’s the answer ? use the picture to see the problem

Askateboard ramp is in the shape of a right triangle what is the height of the ramp