Find the perimeter of the figure. Round all figures to the nearest hundredths place. Isosceles trapezoid
39 ft
î
12 ft
27 ft
a. 70.24 ft
b. 74.48 ft
C. 79.42 ft
d. 92.84 ft

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