Answer:

Step-by-step explanation:
In the triangle,
Hypotenuse = 13
Opposite = Perpendicular = 5
Adjacent = Base = 12
Now,
Cos B = 
Cos B = 12/13
If the triangle is just like in the attached file!
Answer:
No it does not.
Explanation:
If you plug in (6,2) into the equation it will become false
y = x - -4
2 = 6-(-4)
2 = 6 + 4
2 = 10
So the answer is no it does not.
Answer:
Step-by-step explanation:
I cant fully answer it, I'm having trouble with too. But i know for a fact that the cost of a pound of pistachios is 12 dollars. The cost of a pound of almonds is 8 dollars. Sorry -_-
A negative #? maybe depends on what youre talking about