Use the equation 4.9x-1.9=27.5 What two properties of equality do you need to use to solve the equation?

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.

In the diagram, gef and hef are congruent. what is the value of x

With number 11 ( show how you got the answer)