Someone please help me!

Find the area of a parallelogram with base 15 yards and height 21 2/3

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

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