Please help me out with this question if you help me I will give you the brain thing and extra points. 1/9 image below.

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles