Answer:
y = x
Step-by-step explanation:
Since the x-values and y-values remain the same all throughout the chart, it's in a 1 to 1 relationship.
That just means the numbers will ALWAYS EQUAL each other.
Hence, y = x
So first, we need to find how much the tip is, which is 20% of $70. Or, 0.2*70, which equals $14. Micheal will pay $14 as tip.
Then to find total, we add 14 to 70, which is $84, which is the total bill.
57/100 of students did not recieve an A
Answer:

Step-by-step explanation:
Given

Required
Determine the probability of selling exactly 1 batch
This probability is represented with 
From the table:
When x = 1; P(x) = 0.10
Hence:

<em>In other words, the probability of selling exactly 1 is 0.10</em>
Answer:
-6
Step-by-step explanation:
1,5
2,-1
-1-5 is -6
2-1 is 1
-6/1 is -6