Answer:
B. 21.64
Step-by-step explanation:
We have been given a triangle and we are asked to find the length of AC (b).
We will use law of cosines to find the length of side AC.

Upon substituting our given values in the formula we will get,
Upon taking square root of both sides of our equation we will be get,
Therefore, the length of b is 21.64 and option B is the correct choice.
Answer:
i do not know what are your talking about.
Step-by-step explanation:
what!. that's my answer.
Step-by-step explanation:
real real on the 11th July world population Day is celebrated on the table that day was across the world it is
Y=7............................................................................................................................................................
Answer:
68
Step-by-step explanation:
12 + 5 = 17
17 x 4 = 68
Andrea's monthly allowance is $68.