Calculate the area of the rectangle when a = 4 and b = 2. next, calculate the area when the length and width are doubled. does the area double? what is the ratio of the two areas you calculated?
a) no; 1: 4
b) yes; 1: 4
c) no; 1: 2
d) yes; 1: 2
_ _ _ _ _ _
l l
l l b= 2
l l
l_ _ _ _ _ _ l
a= 4
(will give brainliest)

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.