What is the degree equivalent for an angle that is 3π2 radians?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?