So far, two-thirds of the seniors bought prom tickets. if they need a minimum of 250 people to attend in order to keep the venue, how many students must be in the senior class to ensure they sold enough tickets?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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

Find the commission on a $590.00 sale if the commission is 15%.