Abox contains 5 plain pencils and 7 pens. a second box contains 4 color pencils and 4
crayons. one item from each box is chosen at random. what is the probability that a pen from the first box and a crayon from the second box are selected?
write your answer as a fraction in simplest form.

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done