Solve the problem.Paul has grades of 63 and 81 on his first two tests. What must he score on his third test in order to have an average of at least 70?
A. at most 70
B. at most 71
C. at least 72
D. at least 66
Answer: D
Mathematics
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Provide an appropriate response.The refund fraction is the sum of the number of months remaining divided by the sum of the number of months of the loan.
A. True B. False
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.x ? 4 or x ? 7
A. (4, 7)
B. [-7, -4]
C. (-4, 7)
D. (-?, 4] ? [7,?)
Mathematics
Provide an appropriate response.Explain why 1 is excluded from being a logarithmic base.
What will be an ideal response?
Mathematics
The number of desks in one row is 
. How many desks are there in a room of 
rows if they are arranged in a rectangular arrangement?
?
A. 
B. 
C. 
D. 
E. 
Mathematics