student tickets cost $8 each, and adult ticket cost $10 each. a total of $1760 was collected. 200 ticket were sold. how many adult ticket were sold and how many student ticket were sold

Mr. bernard needs to order more boxes for his 16 inch diameter “super pizza.” use 3.14 to approximate π.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2