Ineed i cannot get this!
a cliff diver dives off a cliff 40 feet above water. write an equation giving the diver's height h (in feet) above the water after t seconds. how long is the diver in the air?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

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Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?