10q - 20 is equivalent to .

2(q - 10)
10(q - 20)
10(q - 2)

Yo need asap pls ! markin da brainiest too !

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

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b