Answer:
Mathematics is a branch of science which involves numbers,space and quantity.
Step-by-step explanation:
I hope this helps you in any way.Have a great day :)
<h2>Answer</h2>

Or as ordered pairs: 
<h2>Explanation</h2>
Lets solve our system of equations step by step
equation (1)
equation (2)
1. Solve for
in equation (2)

equation (3)
2. Replace equation (3) in equation (1) and solve for 




or
3. Replace the values of
in equation (3) and solve for 
- For 


or 
- For 



or 
So, the solutions of our system of equation are:

2 to the negative 1 power. When you divide two exponents with the same base, you subtract the two exponents to get your answer.
:)
Answer: 24, c
Step-by-step explanation:
Looked it up
Step-by-step explanation:
Use double and triple angle identities:
sin(2x) + cos(3x)
2 sin x cos x + 4 cos³x − 3 cos x