A comedy club had 2 levels of seating for its shows. The lower level tickets sold for $17.50 each, and the upper level sold for $12.50 each. The owners hired a well known comedian who charged $10,000 for her performances. There are 500 seats in the lower level. If the lower level was sold out how many upper level tickets must be sold to break even?​

The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

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