Factor the expression completely. If the polynomial is prime, state this as your answer.w8 - 16z4
A. (w2 + 4z)(w2 - 4z)(w2 + 2z)(w2 - 2z)
B. (w4 + 4z2)(w4 - 4z2)
C. (w4 + 4z2)(w2 + 2z)(w2 - 2z)
D. (w4 + 4z2)(w2 + 2z)(w - 2z)(w + 2z)
Answer: C
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Solve the triangle. For angles given in degrees and minutes, round to the nearest minute. Round all other angles to the nearest tenth of a degree when necessary. Round side lengths to the nearest hundredth when necessary.A = 65.3°a = 2.15 kmb = 2.25 km
A. B = 71.9°, C = 42.8°, c = 1.61 km B. B = 42.8°, C = 71.9°, c = 1.61 km or B = 6.6°, C = 108.1°, c = 0.27 km C. B = 71.9°, C = 42.8°, c = 1.61 km or B = 108.1°, C = 6.6°, c = 0.27 km D. No solution
Solve for x.2 : 13 = x : 39
A. 6 B. 2 C. 26 D. 78
Solve using the percentage formula.What percent of 10 is 
?
A. 7% B. 5.5% C. 10% D. 5%
Which method should be used to solve the system? Explain your answer, including a description of the first step.x2 - y2 = 363x - y = -6
What will be an ideal response?