Given: The universal set = (all animals); A = (hogs); B=(cows; C = (horses); D = (foals): E= (mares] Click on the diagram until you find the one that correctly represents the expression. (Note: mares are female horses, foals are baby horses)
CnDE

It is a null set{} or an empty set, ∅

Step-by-step explanation:

£(the universal sets) ={hogs, cows, horses, foals, mares}

A={ hogs }

B={ cows }

C={ horses}

D={ foals }

E={ mares }

C n E (since there isn't any the both animals are not found in c&e or even one of the letters, therefore its a null set an empty set

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour