An airplane descends at a rate of 200 feet per minute from an elevation of 4000 feet. Write an equation to represent the planes elevation as a function of times in minutes.

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

How to use order of operation in 20 divide by 4 multiply 5 = 1

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.