Jeff was on a bus full of campers. A group of 12 campers got out of the bus while 27 campers stayed inside. How many campers were there in all?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics