Factor completely.8x2 - 50y2
A. (2x + 5y)(4x - 10y)
B. (4x + 10y)(2x - 5y)
C. 2(2x - 5y)2
D. 2(2x + 5y)(2x - 5y)
Answer: D
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 1, x = 0 to x = 
A. 
+ ?
B. 
- 
C. 
- ?
D. 
- 
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Solve.The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function h(t) = 1100t + 3114, where h(t) is in feet and t is the time in minutes since takeoff. Find the altitude of the airplane after 7 minutes.
A. 10,714 feet B. 10,914 feet C. 10,814 feet D. 7700 feet
Mathematics
Multiply.(9x)(5x4)(x3)
A. 15x8 B. 45x8 C. 45x7 D. 14x7
Mathematics
The function 
is one-to-one on the domain 
. Find 
.
?
A. 
B. 
C. 
D. 
E. 
Mathematics