Find the magnitude 
and direction angle ?, to the nearest tenth of a degree, for the given vector v. v = -5i + 12j
A. 15; 112.6°
B. 13; 67.4°
C. 13; 112.6°
D. 13; 157.4°
Answer: C
Mathematics
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Find the prime factorization of the number.468
A. 34 ? 13 B. 23 ? 32 ? 13 C. 24 ? 13 D. 22 ? 32 ? 13
Mathematics
Fill in the blanks to complete the sentence.The fraction 
represents 
of the 
equal parts into which a whole is divided.
A. 19, 32
B. 
, 32
C. 
, 19
D. 32, 19
Mathematics
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = x2 - 4
A. (4, 0) B. (0, 4) C. (1, 0) D. (0, -4)
Mathematics
Express the number in terms of powers of the numbers in the expression.3 ? 5 ? 5 ? 5
A. 3 ? 5 B. 3 ? 53 C. 3 ? 3(5) D. 33 ? 5
Mathematics