How do you solve: 4x +3y=8 2x-18y=4

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

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