Please help i’ll mark

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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.

Which of the following is not a subset of {1,2,3}?