Heather wants to rent a boat and spend at most $45. The boat costs $8 per hour, and Heather has a discount coupon for $3 off. What are the possible numbers of hours Heather could rent the boat?
Use t for the number of hours.
Write your answer as an inequality solved for t.

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

What is the number 321,000,000 in scientific notation? also what is the number? ?