Answer:
x = -1
Step-by-step explanation:
First distriute, then add 12 to both sides since we're working with negatives. Then you simplfiy and divide by both sides and you get -1.
Have a great day! :D
Answer:

( 1 = sin² + cos²)
Step-by-step explanation:
Answer:
The greatest common factor of 39, 42, and 33 is 3
Step-by-step explanation:
Since 10 millimeters is equal to 1 centimeter, all you have to do is divide 500 by 10. So, 500 divided by 10 is equal to 50. The final answer is 50 centimeters.
~hope it helps :)