Mr howe can buy a computer with a down payment of $510 and 8 monthly payments of $35.75.if he pays cash for computer, the cost is $699.99. too much money will he save if he pays cash for the computer instead of paying for it monthly payment

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?