Provide an appropriate response.Find the special product: (2x - 5)(2x + 5)
A. 4x2 - 20x + 25
B. 2x2 - 25
C. 4x2 - 25
D. 4x2 - 10
Answer: C
Mathematics
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Solve the problem.A rectangular sea aquarium observation window is 16 ft wide and 6 ft high. What is the force on this window if the upper edge is 3 ft below the surface of the water. The density of seawater is 64 lb/ft3.
A. 73,700 lb B. 36,900 lb C. 23,000 lb D. 41,500 lb
Mathematics
Use the table to find the specified value, if possible.
g(f(2))
A. Not defined B. 0 C. 4 D. 1
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 4 ln 
+ 
+ C
B. 2 ln 
- 
+ C
C. 4 ln 
- 
+ C
D. 4 ln 
+ 
+ C
Mathematics
Refer to the following normal curve, with mean ? and standard deviation ?.
The standard deviation ? =
A. 30 B. 15 C. 10 D. 60 E. none of these
Mathematics