Marco needs to climb up to the roof of his house. He placed his ladder so that the bottom of the ladder was 4 feet away from the
wall. If his ladder was 13 feet long, how high up was the top of the
ladder against the wall of the house?

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.

What is another way to express 36 +32

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?