Atypically has a clear, simple chain of command from top to bottom

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18

The pka of three different c―h bonds is given below. explain the observed trend in pka. select the single best answer.

Population parameters are difficult to calculate due to