- HEALTH Find the point total for the six risk
factors (shown with blue headings) on the medical
questionnaire below. Then use the table at the
bottom of the form (under the red heading) to
determine the risk of contracting heart disease
for the man whose responses are shown.
- POLITICAL POLLS Six months before a general
election, the incumbent senator found himself trailing
the challenger by 18 points. To overtake his opponent,
the campaign staff decided to use a four-part strategy.
Each part of this plan is shown below, with the
anticipated point gain.
Part 1Intense TV ad blitz: gain 10 points
Part 2Ask for union endorsement: gain 2 points
Part 3Voter mailing: gain 3 points
Part 4Get-out-the-vote campaign: gain 1 point
With these gains, will the incumbent overtake the
challenger on election day?
- MILITARY SCIENCE During a battle, an army
retreated 1,500 meters, regrouped, and advanced
3,500 meters. The next day, it advanced 1,250 meters.
Find the army’s net gain.
- AIRLINES The graph in the next column shows
the annual net income for Delta Air Lines during
the years 2004–2007.
a. Estimate the company’s total net income over
this span of four years in millions of dollars.
b. Express your answer from part a in billions of
dollars.
Age
Age
35
Points
–4
Reading
280
Points
3
To tal Cholesterol
Cholesterol
HDL
62
Points
–3
Systolic/Diastolic
124/100
Points
3
Blood Pressure
Diabetic
Ye s
Points
4
Total Points
–2 or less
–1 to 1
2 to 3
4
Risk
1%
2%
3%
4%
Total Points
5
6
7
8
Risk
4%
6%
6%
7%
Ye s
Points
2
10-Year Heart Disease Risk
Smoker
Source: National Heart, Lung, and Blood Institute
- ACCOUNTING On a financial balance sheet, debts
(considered negative numbers) are written within
parentheses. Assets (considered positive numbers)
are written without parentheses. What is the 2009
fund balance for the preschool whose financial
records are shown below?
–3,000
–2,000
–1,000
1,000
0
2,000
$ millions
–4,000
–5,000
–6,000
–7,000
(Source: The Wall Street Journal)
Delta Air Lines
Net Income
3,000
–5,198
–3,818
–6,203
1,612
’07
’04 ’05 ’06
Year
2.2 Adding Integers 155
Fund Balance $
Classroom supplies $5,889
Emergency needs $927
Holiday program ($2,928)
Insurance $1,645
Janitorial ($894)
Licensing $715
Maintenance ($6,321)
BALANCE?
ABC Preschool Balance Sheet, June 2009
- SPREADSHEETS Monthly rain totals for four
counties are listed in the spreadsheet below. The
entered in cell B1 means that the rain total for Suffolk
County for a certain month was 1 inch belowaverage.
We can analyze this data by asking the computer to
perform various operations.
a. To ask the computer to add the numbers in cells B1,
B2, B3, and B4, we type SUM(B1:B4). Find this sum.
b. Find SUM(F1:F4).
Book 1
File Edit View Insert Format Window
Suffolk
Marin
Logan
Tipton
0
+1
+2
+1
+1
+1
+1
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–1
–2
+1
–2
Tools Data Help
1
AB CD
2
3
4
5
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E
–1
0
–1
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+1
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