Which expression can be used to find the sum of the polynomials? (9–3x2) + (+8x2 + 4x + 5) [(-3x2)+(-8x2)] +4x+[+(-5)] [3x2 +8x2] +4x+[9+(-5)] - [3x2+(-8x2}}+4x+[9+5] • [[-342) + (-8x2)] +4x+[9+5]

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000