1. Pages
20-
Roo
180
160
140+
120+
100+
80+
60+
404
20-
The scatter plot shows the relationship between the number of
chapters and the total number of pages for several books.
Use the trend line to predict how many chapters would be in a
book with 140 pages.
0
Chapteisi
2 4 6 8 10 12 14 16 18 20
a) 12 chapters
c) 14 chapters
b) 19 chapters
d) 21 chapters

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h