Factor.x6 - 1
A. (x3 + 1)(x3 - 1)
B. (x2 + 1)(x4 - x2 + 1)
C. (x + 1)(x - 1)(x4 + x2 + 1)
D. (x + 1)(x - 1)(x2 + x + 1)(x2 - x + 1)
Answer: D
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
Find the perimeter of the polygon described. Write any improper fractions as mixed numbers.A regular heptagon; one side is 8
yd long.
A. P = 56
yd
B. P = 60
yd
C. P = 58 yd
D. P = 68
yd
Mathematics
Solve the equation.
- 3 = 0
A. 
B. {28}
C. 
D. ?
Mathematics
Solve the problem. Round to two decimal places unless otherwise indicated.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 50 units?
A. $-4.00 B. $5.00 C. $0.60 D. $6.00
Mathematics