Write interval notation.{x? x < -2}
A. [-2, ?)
B. (-2, ?)
C. (-?, -2)
D. (-?, -2]
Answer: C
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Find the standard deviation of the data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below. Find the standard deviation. Round your result to the nearest ten cents. $190 $391 $307 $226 $311 $365 $357 $395
A. $353.00 B. $807,720.50 C. $75.60 D. $847,726.00
Find the tax refund or tax due for the following people. The letter following the name indicates the marital status. Assume a 52-week year and that all married people are filing jointly. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the tax rate schedule.
A. $402.35 refund B. $5,590.35 refund C. $5,590.35 due D. $402.35 due
Find all cube roots of the complex number. Leave answers in trigonometric form.125
A. 5 cis 90°, 5 cis 210°, 5 cis 330° B. 5 cis 0°, 5 cis 60°, 5 cis 120° C. 5 cis 45°, 5 cis 165°, 5 cis 325° D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Divide.-15.57 ÷ 45
A. -0.0346 B. -0.346 C. -0.246 D. -0.0246