has a reference angle of 30 degrees.
- Quadrant I: 30 degrees
- Quadrant II: 150 degrees
- Quadrant III: 210 degrees
- Quadrant IV: 330 degrees
Answer:
The answer is 4,5.
Step-by-step explanation:
Go over 4 times and go up 5, and there is your answer.
The answer is: 
The explanation is shown below:
1- You have the following expression given in the exercise:

2- When you multiply signs, you obtain:

3. Now, you must add like terms, as following:

4. Therefore, you have that the expression simplified is:

Answer:
¯\_(ツ)_/¯
Step-by-step explanation:
¯\_( ͠° ͟ʖ °͠ )_/¯
Answer:
You could either use the second or fourth system as each of these choices have x+y+z=87 in the first equation.
Step-by-step explanation:
Answer(s) is above. Hope it helps!