Find the direction angle of the vector v. Round to the nearest tenth if necessary. v = -i + 
j
A. 135°
B. 300°
C. 120°
D. 150°
Answer: C
Mathematics
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Find, if possible, the number of elements in sets A, B, and C using the given information.n(A - C) = 10n(C - A) = 2n(A ? C) = 22n(A ? B) = 10n((C ? A) - B) = 4n((A ? B) - C) = 4n(B - (A ? C)) = 3n(B ? C) = 7
A. n(A) = 20, n(B) = 14, n(C) = 12 B. n(A) = 16, n(B) = 18, n(C) = 12 C. n(A) = 12, n(B) = 25, n(C) = 20 D. The information is inconsistent or incomplete.
Mathematics
Provide an appropriate response.Simplify: 
A. 
B. 
C. 
D. 
Mathematics
State whether the function is a polynomial function or not. If it is, give its degree.f(x) = 
A. Yes; degree -2 B. Yes; degree 2 C. Not a polynomial D. Yes; degree 5
Mathematics
Write a linear factorization of the function.f
= x4 + 16x3 + 65x2 + 16x + 64
A. f
= 
2
B. f
= 
C. f
= 
D. f
= 
Mathematics