Express using positive exponents. Then simplify.x-7
A. 7x
B. 
C. x7
D. 
Answer: B
Mathematics
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Perform the indicated operation.
A. - 
B. - 
C. 
D. 
Mathematics
Find the mode of the given data set.$99, $36, $32, $36, $29, $99
A. $99, $36 B. $36 C. No mode exists. D. $99
Mathematics
Perform the indicated operations. If possible, reduce the answer to its lowest terms.
÷ 
- 
A. 2
B. 1
C. 12
D. 
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics