Solve the problem.1 + 4 + 42 + 43 + . . . + 4217 =
A. 
B. 
C. 
- 1
D. 4218
E. none of these
Answer: B
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Solve the problem. Round to the nearest tenth of a percent unless otherwise noted. By switching service providers, a family's telephone bill decreased from about 
a month to about 
What was the percent decrease?
A. 6.4% B. 6% C. 3% D. 7%
Solve the inequality and write the solution set in interval notation.- 6x ? 18
A. (-?, 3] B. [-3, ?) C. [3, ?) D. (-?, -3]
Evaluate the terms of the sum using the given information.x1 = 0, x2 = -2, and x3 = -3
A. - 
- 3 + 4
B. - 1 - 9 + 11
C. - 
- 1 - 2
D. 
- 1 + 2
The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)The least number of packages are in which group?
A. 30-39 pounds B. 20-29 pounds C. 0-9 pounds D. 10-19 pounds