Use a method of your choice to solve the equation.x2 - 1 = 
A. x = -2.37 or x = 3.37
B. x = -3.37 or x = 2.37
C. x = 0
D. x = -2.87 or x = 2.87
Answer: A
Mathematics
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Find the quotient.
A. -13
B. - 
C. 3
D. -3
Mathematics
Rewrite the series using summation notation. Use 1 as the lower limit of summation.- 
+ 
- 
+ . . . - 
A. 
B. 
C. 
D. 
Mathematics
Add.7.42 + 0.22 + 34.72
A. 42.46 B. 42.36 C. 41.46 D. 41.36
Mathematics
Solve the problem.The revenue achieved by selling x graphing calculators is figured to be 
dollars. The cost of each calculator is 
How many graphing calculators must be sold to make a profit (revenue - cost) of at least $283.50?
A. between 27 and 33 calculators B. between 23 and 25 calculators C. between 21 and 27 calculators D. between 22 and 26 calculators
Mathematics