Factor the difference of two squares completely.a2 - (b + 4)2
A. (a - b + 4)(a - b - 4)
B. (a + b + 4)(a - b + 4)
C. (a + b + 4)(a - b - 4)
D. Prime
Answer: C
Mathematics
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, 
, and - 
for which the equation is false.sin ? = 
A. 0 and 
B. 
C. - 
D. 
and - 
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Find the missing parts of the triangle.B = 63.50°a = 12.20c = 7.80
A. No triangle satisfies the given conditions. B. b = 12.17, A = 75.12°, C = 41.38° C. b = 13.17, A = 73.12°, C = 37.38° D. b = 11.17, A = 77.82°, C = 38.68°
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Graph the equation.r = 2 + sin ?
A. 
B. 
C. 
D. 
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Determine whether f is even, odd, or neither.
Mathematics