See attached picture for steps and answer:
Answer:
24
Step-by-step explanation:
The length is 4, the width is 2, and the height is 3.

Answer:
60
Step-by-step explanation:
First, 3÷20 which equals .15. after do .15×400 to get to 60 students
Answer:
36r^2+r-16
Step-by-step explanation:
i did it
<em>90</em> and all of its multiples are.