Answer:
The answer is A, 72
13,15,17,19,21
Hope I helped! ☺
(2x/3) - 4
Step-by-step explanation:
"twice a number" ---> 2x
"quotient of twice a number and 3" ---> 2x/3
"4 less than" --> (2x/3) - 4
Could also be written as (2/3)x - 4
The Law of Cosines is given as:
.
Plugging in given values, we get: