Standing on the edge of a cliff, Fernando throws a rock upward from a height 160 feet above the water at a speed of 48 feet per second. How long will it take for the rock to land in the water?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Acircle has a circumference of 7.850 units. what is its radius?