The annual tuition at a public two-year college last year was $3,200. For the new school year, Elizabeth’s first year in college, the tuition is expected to increase 5%. She saved the same amount monthly to prepare for the cost of her tuition. What is the minimum amount Elizabeth should have saved monthly during the previous year?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Tom drove 206 miles in 3.9 hours. estimate his average speed.