X-13=42
x is the "variable", you're taking 13 away from that, and the answer is also given, 42.
Answer:
1. 167.55
2. 10.77
Step-by-step explanation:
For #1 use the formula for volume of cone:
, and for #2 use the Pythagorean Theorem: 
Answer:
c
Step-by-step explanation:
We need a picture of the graph