I’m sorry about the quality but questions 6-9! anything helps :)

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.

The sum of two numbers is 12 and their difference is 18 what are the two numbers

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices