Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 
D. 
Answer: D
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Use the figure shown below to answer the question(s).
Triangle OJK is rotated 60° clockwise about rotocenter O. The result is translated 3 units to the right. The product of this rotation and this translation is
A. a translation 6 units to the right B. a 120° clockwise rotation having rotocenter O. C. a reflection about the vertical line passing through A and G. D. a 60° clockwise rotation having rotocenter G. E. none of these
Solve.A cylindrical water storage tank has a diameter of 8 meters and a height of 9 meters. Find the capacity of this tank rounded to the nearest hundredth when necessary. Use ? ? 3.14.
A. 1808.64 m3 B. 16,277.76 m3 C. 452.16 m3 D. 576 m3
Find the median of the random variable x with the probability density function defined on the indicated interval I. The median of x is defined to be the number m such that 
. Observe that half of the x-values lie below m and the other half lie above m.
?
?
A. ?
B. ?
C. 
D. ?
E. ?
An executive invests $39,000, some at 7% and some at 6% annual interest. If he receives an annual return of $2,530, how much is invested at each rate? ? Amount at 7%: $ __________ ? Amount at 6%: $ __________
What will be an ideal response?