Solve the problem.A set of chairs costs $126. The sales tax is $6.30. What is the sales tax rate?
A. 0.5%
B. 6%
C. 7%
D. 5%
Answer: D
Mathematics
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Solve the problem.A bag contains 8 apples and 6 oranges. If you select 7 pieces of fruit without looking, how many ways can you get exactly 6 apples?
A. 56 B. 336 C. 2016 D. 168
Mathematics
Solve. Provide answers in interval notation.x2 + 11x + 28 ? 0
A. [-4, ?) B. (-?, -7] ? [-4, ?) C. (-?, -7] D. [-7, -4]
Mathematics
Solve the proportion.
= 
A. 112 B. 7 C. 896 D. 56
Mathematics
Express the following in interval notation.
A. (-?, -5] ? (-1, ?) B. (-?, -5) ? (-1, ?) C. (-?, -5) ? [-1, ?) D. (-5, -1]
Mathematics