Factor completely. If the polynomial cannot be factored, say it is prime.x4 - 625
A. (x2 + 25)2
B. (x2 - 25)2
C. prime
D. (x2 + 25)(x + 5)(x - 5)
Answer: D
Mathematics
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Find curl F.F(x, y, z) = y cos(x)i + x sin(y)j - 9k
A. 0 B. x cos(y)i - y sin(x)j + (x cos(y) + y sin(x))k C. 0i + 0j + (sin(y) - cos(x))k D. (-9 - x)i + (y + 9)j + (x - y)k
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Simplify the expression. Use the order of operations.9 ? 5 - 36 ÷ 9
A. 41 B. 0 C. 1 D. 49
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Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.11 minutes to 3 hours
A. 
B. 220
C. 
D. 
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Find the volume of the sphere. Use 3.14 or 
for ? as indicated.Use 
for ?.
A. 132
m3
B. 863
m3
C. 647
m3
D. 1150
m3
Mathematics