Answer:
<h2>x = 3</h2>
Step-by-step explanation:

Answer:
19
Step-by-step explanation:
-3 and 3, both three away from 0
Answer:
61 Inches
Step-by-step explanation:
<em>A foot is 12 inches. </em>
1. Multiply 12 by 5.

2. Add the extra inch.

<em>The stack of books is 61 inches high.</em>