Agroup of 16 people bought tickets to a museum. they paid a total of $56. each adult ticket costs $4 and each child ticket costs $2. how many adult tickets and child tickets did they buy?

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.