Answer:
4 in. wide
Step-by-step explanation:
20/5=4
4x=16
4x/4=16/4
x=4
Answer:
a=-2
So yep. ;)
Step-by-step explanation:
Alright, so, (2,12), 2 is the x and 12 is the y.
Stick them into the equation: 
Then, solve:

a = -2
So yes, they're on the graph.
Hope this helped! :)
Answer:
For no reason I think number 3 is correct
Answer:
5⅛ (option 3) is the correct answer
Answer:
0.04
Step-by-step explanation: