Find the difference.19 min - 8.37 min - 0.66 min
A. 11.29 min
B. 9.97 min
C. 10.97 min
D. 10.07 min
Answer: B
Mathematics
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Write as a proportion.4 is to 3 as 36 is to 27.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. x2 - 5x ? -6
A. [3, ?)
B. (-?, 2]
C. [2, 3]
D. (-?, 2] ? [3, ?)
Mathematics
Multiply.-8(-9)
A. -64 B. -72 C. 62 D. 72
Mathematics
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $312.80?
A. between 36 and 44 calculators B. between 34 and 46 calculators C. between 35 and 33 calculators D. between 14 and 26 calculators
Mathematics