Evaluate the following expressions for a = -3,b= 2, c = 5
and d= -4.
2a + 3b
do not show your work and give a numeric answer only. give
your answer to the nearest hundredth (example: 1.25)

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?

Need on this geometry question. explain how you did it.

What can you determine about the solutions of this system