Gaps have no data in them. So the range 1-2 is a gap.
Clusters are groups of data that are right next to each other.
So the range 3-6 on your dot plot is a cluster, because there is a group of data there with no gaps.
Peaks are the greatest amount of data in the dot plot. 0 and 5 are the peaks because they both have the most data, 4.
33 rounded to the tens place would be 30.
89 rounded to the tens place would be 90.
Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
It is
because you should use
then just plug it in using
(1, 4) and (-2, -2).

That eliminates everything except the second one and the third.
So now we would find the b in the equation 

and that's all
Answer:
160 more stickers
Step-by-step explanation:
640 divided by 4 is 160
160 times 5 is 800
800 minus 640 is 160
you need 160 more stickers