B. Y equals 0, because if you plug it in ( multiply 2 by 9 ) you will get 18-18 which equals 0.
Answer:
2nd, 4th and 5th one
Step-by-step explanation:
Hey There!
So remember in order for it to be a proportional relationship it has to be a straight line and it has to go through the origin (0,0)
The 2nd, 4th and 5th ones are non proportional relationships
Why? Well because they don't go through the origin
Answer:
a = 112
Step-by-step explanation:

Given that,
s = 7
b = 13
c = (-24)
Let's solve for a now.





Hope this helps you.
Let me know if you have any other questions :-)
Answer: Company C
Step-by-step explanation:
A: $150
B: $160
C: $140
D: $170
So Company C has the best rate.
Answer:
L(f(t)) = 
Step-by-step explanation:
f ( t ) = 10 cos ( 12t + 60°) u(t)
attached below is a detailed solution of the given problem
L(f(t)) = 