I believe 10% because 390 and 39 are exactly the same numbers almost
Answer:
A
Step-by-step explanation:
We have the expression 
We want to find the value when k is -3. So, substitute -3 for k and evaluate:

Multiply:

Subtract:

Add:

Therefore, our answer is A.
Answer:
x=36° (180/5x because 2x+3x)
Step-by-step explanation:
The common denominator is 35
Multiply 5/7 top and bottom by 5
Multiply 3/5 top and bottom by 7
Answer:
I don't know, I'm just doing this to get points. lol
Step-by-step explanation: