Caroline's clothing store buys coats for $50 and then sells them for $80. what is the percent of mark up on the price of the coat? show how you did it

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?