A researcher performs an experiment to test a hypothesis that involves the nutrients niacin and retinol. She feeds one group of laboratory rats a daily diet of precisely 32 units of niacin and 29,825 units of retinol. She uses two types of commercial pellet foods. Food A contains 0.15 unit of niacin and 180 units of retinol per gram. Food B contains 0.25 unit of niacin and 55 units of retinol per gram. How many grams of each food does she feed this group of rats each day? FOOD A:
FOOD B:

i need a picture

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft

students group

step-by-step explanation:

a person who   joins a party or a seminar can explain his feelings about that particular occasion better more than anyone else.

as bella managed a show for the students in the school and invited students to watch that show

hence

students group will be the best group to survey to find this information

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64