A car rental service charges a monthly fee of $19, plus a rate of $5 for each hour you use the rental car. If your family’s total monthly charge was $94, how many hours did your family use the rental car?

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.

If jaime wants to find 60% of 320, which table should he use?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?