*115*
do the parentheses in the parentheses first, then the outer parentheses, then the stuff outside the parentheses.
PEMDAS
parentheses...exponents...multiplication/division...Addition/subtraction.
Answer:

You don't technically need the ( ) around the 2n, but I included them to avoid confusion.
Answer:
102°
Step-by-step explanation:
As the vertically opposite angles are equal,

Now let's solve for x now






Now let's find the value of KNL

Hope this helps you.
Let me know if you have any other questions ;-)
The answer is B.
If a coin is flipped 14 times and lands on heads 10 times the fraction would equal to 10/14.
10/14 simplifies to 5/7.