Simplify.21 + (-17)(-19) - 26
A. 31
B. 696
C. 318
D. -266
Answer: C
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Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.3x = 772
A. x = log 
B. x = log3772
C. x = log 2316
D. x = log3-772
Simplify the expression. Include absolute value bars where necessary.
A. x + 16
B. 
C. x + 2
D. 
Solve the problem.Money magazine reports that the percentage of trading days in which the Dasdaq loses or gains 2% or more has been increasing since 1995 indicating more volatility in the Dasdaq. Use a graphing utility to fit an exponential function to the data. Predict the percentage of trading days in 2001 having such swings in value.
A. y = 1.669x1.706, 46 days B. y = 1.278e0.611x, 92 days C. y = 2.353e0.610x, 91 days D. y = 1.849e0.531x, 76 days
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 7csc x, y = 0, x = 
, x = 
A. 98? B. 14? C. 49? D. 147?