A boat is heading towards a lighthouse, whose beacon-light is 132 feet above the water. The boat’s crew measures the angle of elevation to the beacon, 5 degree . What is the ship’s horizontal distance from the lighthouse (and the shore)?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Place the following steps in order to complete the square and solve the quadratic equation,

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: