A radio station runs a promotion at an auto show with a money box with 11 50$ tickets, 10 $25 tickets, and 15 $5 tickets. The box contains an additional 20 "dummy" tickets with no value. Find the probability that three $50 prizes are chosen. The probability that three $50 prizes are chosen is

Can you draw an isosceles triangle with only one 80 degree angle?

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

What is the difference between the equations of a vertical and a horizontal line?