I need help someone please help

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.

For each proportion find the unknown number x 1/5/8=×/15

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)