Question

PLEASE HELP! will give metal.

Answer 1

Do you know how to plot a graph ??

Answer 2

no

Answer 3

you use the numbers given the ones on left are your x values, and ones on right are y values

Answer 4

so you go to like 0, then up 5, on a plot

Answer 5

then go to 1, and go up 8

Answer 6

Wll, answering the Second equation before the 1st one is better : Solve the System :
\(5=0+b\)
\(8=a+b\)
?

Answer 7

Or
\(a+b=8\)
\(3a+b=14\)

Answer 8

\(2a=6\) , \(a=3\)
\(3+b=8\) , \(b=5\)
your line equation is : \(y=3x+5\), and it's plot is :
http://www.wolframalpha.com/input/?i=3x%2B5&dataset=

Answer 9

Actually, to answer the 1 question you put the points as \((x,y)=(Hours,Total charge)\)