(-8,7) and (x,9) given m=1/2

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

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3