How is quadrilateral ABCD related to quadrilateral A'B'C'D' shown below?

Which best explains why this triangle is or is not a right triangle ?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol