Which is a quadratic function having a leading coefficient of 3 and a constant term of -12?
OK(x) = -12x2 + 3x + 1
O Rx) = 3x² + 11x - 12
o f(x) = 12x2 + 3x + 3
O f(x) = 3x - 12

X+y=-4 x-y=2 use elimination with adding and subtraction

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?

Alexandra drove from michigan to colorado to visit her friend. the speed limit on the highway is 70 miles per hour. if alexandra's combined driving time for the trip was 14 hours how many miles did alejandra drive?