The sum of two numbers is 18 and the difference of the two numbers is 34. What is the two numbers

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

What is the perimeter of a rectangle if the length is 5 and the width is x?

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.