The length of a rectangle is three times its width. the perimeter of the rectangle is 100 inches. what are the dimensions of the rectangle?

do it in solving linear systems by substitution.

Do 12/14 and 8/10 have the same value? explain your answer.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3