Solve the following systems of equations. Express your answer as an ordered pair in the format (a, b) with no spaces between the numbers or symbols 2x+7y=-7
-4x-3y=-19

What are “like terms”? why can we only add like terms?

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick