To find out of a graph is linear you have to use the vertical line test.
We use letters to substitute for unknown numbers. I hope this helps. :)
Step-by-step explanation:
There should be an option that says, “From the origin, move 0.5 unit to the right along the x-axis and 1 unit down, and place the point.”
Answer:
54
Step-by-step explanation:
to evaluate substitute b = 18 into 3b
3b = 3 × 18 = 54
