5+(-4)= 1
14+(-13)= 1
So the answer is B. =
I hope this helps
The answer for 13 would be 4x-6x=2x
1.

2.
<u> </u><u>Sub (1, -5) into equation to find '</u><em><u>b'</u></em><u />
3.

4.
Three times the difference of a number and four.
or
Three times the quantity of four less than a number n.
Answer:
Angle B: 28 degrees
Side a: 27.6
Step-by-step explanation:
Angle B:
180-112-40=28
Side a:
sin 28/14 = sin 112/a
a = sin 112(14)/sin 28
a = 27.6