Daniel pays $1000 per month for rent, and expects his rent to go up $100 per year. He currently makes $1600 per year and expects his salary to increase $50 per year. How many years from now will his rent equal his salary? What will that amount be?

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?