46.9333 fps
4 ((15/4)/15))
(x-5)(x+3)
Unless that's a fraction. Then it will be (11/6)-(7/4).
It is (11*11*11*11*11*11)-(7*7*7*7). Just copy that and put it into your calculator.
No problem.
Lines two and three because she only distributed the 3 to the x and no to the 4.
Don't worry about it I figured it out.