A cylinder has a volume of 90pi and a radius of 3. what is the height?

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

What are the steps to solving the inequality 3b + 8 ≥ 14?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.