Solve the system of equations. y=30x+20
y=10x2−80

(the answer needs two ordered pairs)

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

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9