Answer:
The simplified answer would be 7m+63. You would have to solve for the variable.
Step-by-step explanation:
Answer:
(b)
Step-by-step explanation:
Given

Required
The graph
First, make y the subject

Divide through by 3

Let x = 3

Let x = 6

So, we plot the graph through
and 
See attachment for graph
Answer:
$30
Step-by-step explanation:
5 x 6 = 30
hope this helped :)
It would be: -12 + 15x = 3(-4+5x)
So, after common factor out, your answer is 3(-4+5x)
Hope this helps!