Basic Mathematics for College Students

90. PAYCHECKS Examine the items listed on the
    following paycheck stub. Then write two columns on
    your paper—one headed “positive” and the other
    “negative.” List each item under the proper heading.


91. WEATHER MAPS The illustration shows the
    predicted Fahrenheit temperatures for a day in
    mid-January.

Tom Dryden Dec. 09

Gross pay

Overtime

Deductions

Union dues

U.S. Bonds

$2,000

$300

$30

$100

Reductions

Retirement

Taxes

Federal withholding

State withholding

$200

$160

$35

Christmas bonus $100

− 3 − 2 − 1 Par

Under parOver par

123

16th Hole

Meadow Pines

Golf Course

142 Chapter 2 The Integers

Sun. 2 ft below

Mon. 3 ft over

Tue. 4 ft over

Wed. 2 ft over

Thu. 1 ft below

Fri. 3 ft below

Sat. 4 ft below

Flood Stage Report

89. GOLF In golf,paris the standard number of strokes
    considered necessary on a given hole. A score of
    indicates that a golfer used 2 strokes less than par. A
    score of means 2 more strokes than par were
    used. In the graph in the next column, each golf ball
    represents the score of a professional golfer on the
    16th hole of a certain course.
    a. What score was shot most often on this hole?

b. What was the best score on this hole?

c. Explain why this hole appears to be too easy for a

professional golfer.

 2

 2

− 1

− 2

− 3

− 4

0

1

2

3

4

Feet

Flood stage

Sun.

87. TECHNOLOGY The readout from a testing device
    is shown. Use the number line to find the height of
    each of the peaks and the depth of each of the
    valleys.


88. FLOODING A week of daily reports listing the
    height of a river in comparison to flood stage is given
    in the table. Complete the bar graph shown below.

− 3

− 1

− 5

1

3

A peak

A valley

5

Seattle

Denver

Houston

Miami

New York

Fargo

Chicago

San Diego

0 °

− 10 °

− 20 °

10 °

20 °

30 °

40 °

a. What is the temperature range for the region

including Fargo, North Dakota?

b. According to the prediction, what is the warmest it

should get in Houston?

c. According to this prediction, what is the coldest it

should get in Seattle?

92. INTERNET COMPANIES The graph on the next
    page shows the net income of Amazon.com for the
    years 1998–2007. (Source: Morningstar)