The wrapper on a standard-size Hershey chocolate bar states that it contains 1.75 ounces of chocolate. In fact, the contents will vary slightly but are distributed normally with a mean of 1.76 ounces and a standard deviation of 0.02 ounces.

(a) What is the probability that a randomly selected Hershey bar will weigh
less than the advertised weight of 1.75 ounces?

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