Answer:
$6/ book
Step-by-step explanation:
Unit price = Total cost/ total number of items
= 90/15
=$6 per book
D.
Kelly got 3^3 (27) while Alia got 4^2 (16) less than her. When you put it together you get 3^3 - 4^2
I think it would have to be 1.46.
Explanation: if you subtract 3.56 from 2.1 you’ll get 1.46