Answer:
The slope is 
Step-by-step explanation:
☆Remember:

☆We just plug in now!

Answer:
It's not 0 I got it wrong.
Step-by-step explanation:
Yes they are , since they are very common in ones body
Answer:
1
Step-by-step explanation:
(f+g)(1) = f(1) +g(1) = -1 + 2 = 1
__
The pair (1, -1) in the definition of f tells you f(1) = -1.
The pair (1, 2) in the definition of g tells you g(1) = 2.
Divide $55.65 by 7 to get the cost of 1 key chain ($7.95). Then multiply the cost of 1 by 12 and get $95.40