What are equivalent equations? How do you find them?
Write a few sentences describing them.

Twelve less than a number is at most 20

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 slope-intercept from of the equation y+5=4(x+8)?