Answer:
-3/b
Step-by-step explanation:
The reciprocal of -b/3 is -3/b
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>

<u>Step 2: Solve for </u><em><u>c</u></em>
- Simplify [Reduce]:

- [Multiplication Property of Equality] Cross-multiply:

Answer:
Use you calculator.
Step-by-step explanation:
There will be a way on your calculator to do tan^-1. It may be called arctan. They are the same thing.
Answer:
B
Step-by-step explanation:
10×1=10
0+10=10
Hence they're equal