Susan can choose from 4 types of fish and 3 types of plants. If she chooses one type of fish and one type of plant, how many different lottery numbers are possible?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Factor the monomial completely 42a3b3

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)