Footlocker sold 72 pairs of the new Adidas tennis shoes for $69. How much did the store make for selling the tennis shoes?​

Evaluate cos2θ for cosθ = square root of 3/2

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

Which of the following can be used to explain a statement in a geometric proof?