What is the slope of this line?

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

On a architect's drawing of a house, 1 inche representa 1.5

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.