Rewrite the expression without the grouping symbols.-(x - 5y)
A. -5xy
B. x + 5y
C. -x - 5y
D. -x + 5y
Answer: D
Mathematics
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Find the sum of the series.
A. - 
B. 
C. 
D. - 
Mathematics
Use spherical coordinates to find the volume of the indicated region.the region bounded above by the sphere 
and below by the cone 
A. 250?(2 - 
)
B. 250?(2 - 
)
C. 
?(2 - 
)
D. 
?(2 - 
)
Mathematics
At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are below 15.2 seconds.
A. 68% B. 34% C. 50% D. 16%
Mathematics
Provide an appropriate response.A machine part is fabricated to be 8
inch long with a tolerance of ±
inch. What is the smallest and largest the part can be?
What will be an ideal response?
Mathematics