Answer:

Step-by-step explanation:
Let the third side of the triangle be
.
We can apply the cosine rule to find
.

We evaluate to obtain;



We take the positive square root of both sides to obtain;

The correct answer is B.
Answer: 3 and -5
Step-by-step explanation:
45, 33, 22, 12,
differences =
45-33 = 12
33-22=11
22-12=10
pattern = decreases by one so
12- 9 = 3
3- 8 = -5
Answer:
6900-150=d(x)+x
Step-by-step explanation:
I've tried. But, I don't sure its the correct answer.