Use exponential notation to write the repeated multiplication.8 ? 8 ? 8 ? 8
A. 82
B. 84
C. 32
D. 48
Answer: B
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 64?
B. 
?
C. 
?
D. 16?
Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x + y + z = -5 x - y + 2z = -82x + y + z = -4
A. Cramer's rule does not apply since D = 0; ? B. {(-5, -1, 1)} C. {(1, -1, -5)} D. {(-5, 1, -1)}
Give the focus, directrix, and axis for the parabola.(x + 5)2 = -20(y - 4)
A. (-5, -1), y = 9, x = 4 B. (-5, -1), y = 9, x = 5 C. (-5, -1), y = 9, x = -5 D. (-10,-1), y = 9, x = -5
Evaluate to four decimal places using a calculator.e1.1
A. 2.9901 B. 3.3201 C. 0.0953 D. 3.0042