The sum of the first n natural numbers and 0=
n*(n+1)/2
I think the relationship between the weight of a stack of standard 8.5x11 copier paper vs number of sheets of paper is proportional because :
Let us assume here, in this situation that each page has the same weight so if i want to find the weight of the complete stack, i will multiply the number of sheets of paper by the weight of a single sheet of paper.
Answer
Rise from the blue dot run to the red dot. Rise over run.
Step-by-step explanation:
1/8 would be your answer
Yes they are equivalent expressions. If you take the z to the power of two, and subtract that from the other z to the power of two, it is zero. So you are left with four which is the answer
For the dot plot write down the numbers from 18 to 26 and then plot how ever many points there are of each value