I am bad at math plz help :,(

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

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?

What is the scale factor of axyz to auvw?