Evaluate the expression.
4c3 over 17c3

Click on the graphic until the one that best represents the statement is shown. two nonintersecting planes.

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1