Evaluate the expression according to the order of operations.102 + 82 ÷ 22
A. 116
B. 168
C. 81
D. 41
Answer: A
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Solve the compound inequality. Graph the solution set and write the solution in interval notation.x > 8 or x < 8
A. (-?, 8) ? (8, ?)
B. {8}
C. (8, ?)
D. (-?, 8)
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant E to pollutant C.
A. 
B. 
C. 
D. 
Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
A. x = 1.37, y = 2.14 or (1.37, 2.14) B. x = 2.14, y = 1.37 or (2.14, 1.37) C. x = 2.14, y = -1.37 or (2.14, -1.37) D. x = -1.37, y = 2.14 or (-1.37, 2.14)
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
At the break-even point both cost and revenue are what?
A. $2700 B. $1500 C. $750 D. $2250