A property valued $125,000 is divided among three brothers, James, John and Jonah in the ratio 5:8:2 respectively. Calculate the amount each received.

If tana tanb=k, show that(1+k)cos(a+b)=(1-k)cos(a-b)

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.