ANSWER
The correct answer is D.

EXPLANATION
The given expression is

The symbol means summation.
So we need to substitute

into the formula and add all to get,

We simplify to obtain,

The correct answer is D
Answer:
B. 6.2
Step-by-step explanation:

Answer:
-2, 2
Step-by-step explanation:
The pair of numbers that sum = 0 is:
-2,2
-2 + 2 = 0
The first graph the X is 45° because it right angle is 90 degrees Larry give us 55 degrees so 55 subtract the equals 45
The second graph has a degree of 113 because 180 subtracted by 67 is 113 because they straight angle has 180.
The first one is 45
The second one is 113