Given the equations 9x + (3)/(4)y = 6 and 2x + (1/(2)y = 9, by what factor would you multiply the second equation to eliminate y and solve the system
through linear combinations?
A.
-4/3
B.
"-3/4
oc.
312
D.
7/2

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?