Identify an equation in point-slope form for the line perpendicular to y = -4x -1 that passes through ( -2, 7). A. y-7 = 1/4 ( x + 2)
B. y+2 = 1/4 ( x -7)
C. y - 7 = -4 ( x + 2)
D. y = 7 = - 1/4 ( x - 2)

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?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?