Answer:
See explanation
Step-by-step explanation:
Assuming the given equation is

To solve for r, we first divide both sides by a.

We now subtract 5 from both sides:

We now divide through by - 1 to get:

Or

Answer:
41 kg
Step-by-step explanation:
Just look at 1 on the x-axis and go all the way up till you reach the line, then go all the way to the left and see what number that is on the y-axis.
When you do this you find that it's 2 on the y-axis.
So when x = 1, y = 2.