Solve the problem.The table below shows the results of a consumer survey of annual incomes in 100 households. 
What is the probability that a household has an annual income of $25,000 or more?
A. 0.55
B. 0.25
C. 0.45
D. 0.7
Answer: D
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Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(8, 0°)
A. (8, 0) B. (-8, 0) C. (0, 8) D. (0, -8)
The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.Who got the fewest votes?
A. Ming B. Gina C. Jim D. Ben
All references are to the figure below. The distance between A and D is a, and the distance between D and C is x. 
Assuming that A = 29°, ?BDC = 52°, and a = 10, find h and x.
A. x ? 8, h ? 10 B. x ? 20, h ? 10 C. x ? 7.6, h ? 10. D. x ? 18, h ? 10.
Determine the number that should be added to complete the square of the expression. Then factor the expression.x2 + 10x
A. 5; (x + 5)2 B. -5; (x + 5)2 C. 25; (x + 5)2 D. 25; (x - 5)2