Factor the sum or difference of two cubes.729p3 + 1
A. (9p + 1)(81p2 - 9p + 1)
B. (9p + 1)(81p2 - 9p - 1)
C. (9p + 1)(81p2 + 1)
D. (9p + 1)(81p2 + 9p + 1)
Answer: A
Mathematics
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Solve the initial value problem.
= x4(x5 - 9)2, y(1) = 5
A. y = 
(x5 - 9)1 + 
B. y = 
x15 - 9 + 
C. y = 
(x5 - 9)3 + 
D. y = 
(x5 - 9)3 + 
Mathematics
Solve the exponential equation. Leave the answer in exact form. Do not approximate.75x - 2 = 12
A. x = 
- log 2
B. x = log 12 - 5 log 7 + log 2
C. x = 
D. x = 
Mathematics
Solve the equation.Solve tan ? = 
for ?, where 0° ? ? ? 90°.
A. 60° B. 30° C. 90° D. 45°
Mathematics
Find the sum, sn, of the sequence.Find the sum of the even integers between 39 and 67.
A. 742 B. 795 C. 848 D. 689
Mathematics