The gomes family is on a road trip. on the first day, they drove a distance shown as 3 1/2 inches on a map. the actual distance that they drove was 245 miles. which is the scale of the map? a. 1 in : 3 1/2 mi b. 1 in : 7 mi c. 1 in : 70 mi d. 3 1/2 : 70 mi

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