the length of a rectangle is two feet greater than twice its width if the perimeter is 25 feet find the width which of the following translations is correct

X+ y = 5 ; x - y =3 solve using linear combination

What is the the greatest common factor ?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth