Write a negation of the inequality. Do not use a slash symbol.x ? 20
A. x ? -20
B. x > 20
C. x > -20
D. x ? 20
Answer: B
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Let A = {1, 3, 5, 7}, B = {5, 6, 7, 8}, C = {5, 8}, D = {2, 5, 8}, and U = {1, 2, 3, 4, 5, 6, 7, 8}. Decide if the set relationship is true or false.D ? B
A. True B. False
Find area of figure. Round to the nearest hundredth if necessary.Find the area of a rectangle measuring 5.8 yd by 21.41 yd.
A. 33.64 yd2 B. 248.356 yd2 C. 124.178 yd2 D. 27.21 yd2
Simplify the expression.167/4
A. 
B. 16,384
C. 131
D. 128
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 $695.80?
A. {x?49 < x < 71} B. {x?51 < x < 69} C. {x?50 < x < 48} D. {x?19 < x < 41}