An airplane is flying at a height of 2miles above ground. distance along the ground from airplane to airport is 5 miles. what is the angle of depression from airplane to airport?

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.

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?