Parentheses first -4+-8= -12(1)= -12
= -12
Answer: c. (1/2) bc sin A
<u>Step-by-step explanation:</u>
You can find the area of a triangle using trigonometry if you know the lengths of two sides and the measure of the included angle using the following formula:

No
We know scale factor(k)=y/x
Calculate units as 1 and find k
For left side


Hence its not a copy
Answer:
This equation has 2 solutions.
1. 
2. 