Would it make sense to draw a scale model of a 10 cm x 5 cm cell phone at 100:1 scale factor? This means the drawing would be 100 times smaller than the actual phone. Explain your answer, and if you answer NO, suggest a more reasonable scale factor to use. Can help me with this?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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