Solve.
= 
A. 
B. 1
C. 
D. 56
Answer: B
Mathematics
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Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 
C. 8z - 9
D. 
Mathematics
Perform the indicated operation.6.743 ÷ 7.9 (Round to the nearest hundredths when necessary.)
A. 0.14 B. 0.85 C. 0.09 D. 1.35
Mathematics
A fair coin is thrown. Let A be the event "at most four heads appear" and B be the event "exactly two heads appear."Find Pr(B|A).
What will be an ideal response?
Mathematics
Provide an appropriate response.Use graphing to determine the domain and range of y = 
for f(x) = -(x - 8)2 - 7.
A. D: [0, ?); R: (-?, 7] B. D: (-?, ?); R: [-7, ?) C. D: [0, ?); R: (-?, -7] D. D: (-?, ?); R: [7, ?)
Mathematics