A plane was cruising at a height of 31,000 feet. Then it descended at a rate of 550 feet per minute. What height will the plane be at after 10 minutes? Pls help

These question are hard can you me with answers

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards