Subtract. Write the answer in lowest terms as a mixed number.
A. 12
B. 11
C. 12
D. 13
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 8
, y = 8, and x = 0 about the y-axis
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 3 years.
A. 97% B. 87% C. 89% D. 85%
Mathematics
Determine the most appropriate metric unit to go in the blank. Choose from km, m, cm, mm, L, mL, kg, g, and mg.The cat weighs 3.9 
.
A. m
B. g
C.
| mg |
D.
| L |
E.
| kg |
Mathematics
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(x, 16x - 4)} B. {(x, 4 - 8x)} C. {(x, 8x - 4)} D. ?
Mathematics