J U
A group of 10 purchased tickets to
the movies. Tickets for adults cost
$9, and tickets for children cost
$6. Sales tax is 7%. The total cost.
of the tickets were $86.67. If it
cost $19.26 for the children. How
many
adults went to the movies?

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