Factor the sum or difference of two cubes.t3 + 729
A. (t - 729)(t + 1)(t - 1)
B. (t + 9)(t2 - 9t + 81)
C. (t + 9)(t2 + 81)
D. (t - 9)(t2 + 9t + 81)
Answer: B
Mathematics
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Multiply and simplify if possible.(
+ 1)(
- 1)
A. 10 + 2
B. 10
C. 10 - 2
D. 12
Mathematics
Write an equation for a function whose graph fits the given description.The graph of f(x) = 
is shifted 4 units to the right.
A. y = 
B. y = 
- 4
C. y = 
+ 4
D. y = 
Mathematics
Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by y = 
. What is the cost for x = 400?
A. $200,000.00 B. $47,619.05 C. $31.25 D. $119.05
Mathematics
Find the exact value by using a sum or difference identity.tan 
A. 2 + 
B. 2 - 
C. - 2 + 
D. - 2 - 
Mathematics