By looking at the graph and seeing which point crosses the y axis. This point will always have an x coordinate of zero.
Answer:
20.5 and 21.5
Step-by-step explanation:
It says 2 significant figures so the least it can possibly be is 0.5 less and the most it can be is 0.5 more as if it was, lets say 20.4 it would round down to 20 not 21.
What do you need help with
No problem 72 cubic squares