The sum of the digits of three digit number is 19 the second digit is one more than the first digit the third digit is two more than the second digit find the number

Equation for the calculation double 2 and then add 5

Simplify the rational expression. state any restrictions on the variable. t^2-4t-12 / t-8 the / is a fraction sign.

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?