Solve the problem.Monticello residents were surveyed concerning their preferences for candidates Moore and Allen in an upcoming election. Of the 800 respondents, 300 support neither Moore nor Allen, 100 support both Moore and Allen, and 250 support only Moore. How many residents support Moore or Allen?
A. 400
B. 500
C. 100
D. 300
Answer: B
Mathematics
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The line graph shows the pollution rate for a certain lake over six decades. Use the graph to answer the question. 
Find an estimate for the pollution rate of the lake at the beginning of decade 6.
A. 1.5% B. 3% C. 1% D. 2.5%
Mathematics
Add. - 
+ 
A. 
B. 
C. - 
D. - 
Mathematics
Graph using a graphing calculator.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Write a fraction or mixed number to represent the shaded portion of the figure.
A. 
B. 
or 
C. 
D. 
Mathematics