20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
The probability is 0.8997.
We will use a z-score to answer this question. z-scores are given by the formula

With our information, we have

Looking this up in a z-table (http://www.z-table.com) we see that the area to the left of this (everything less than, up to this value) is 0.8997.
C because K is 1,-8 so if you go up 1, -7, and right 4,5. So you get k(5,-7)
Answer:
x-intercept=(-1,0) y-intercept =(0,-3)
Step-by-step explanation:
Root 78 would go Between 8 and 9