Find all the factors of the natural number.28
A. 1, 2, 7, 14, 28
B. 1, 2, 4, 7, 8, 14, 28
C. 2, 7, 14, 28
D. 1, 2, 4, 7, 14, 28
Answer: D
Mathematics
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Solve by completing the square. Give exact solutions. Simplify radicals and reduce.x2 - 8x + 15 = 0
A. -5, -3
B. 12, 3
C. ±
D. 5, 3
Mathematics
Find the remaining zeros of a polynomial with real coefficients and having the specified degree and zeros.Degree 5; zeros: 6, 7 + 5i, -6i
A. 7 - 5i, 6i B. -6, 7 - 5i, 6i C. -7 - 5i, 6i D. -7 + 5i, 6i
Mathematics
Evaluate the expression. Write answer without exponents.
-2
A. 4
B. 
C. 0.25
D. 1
Mathematics
Calculate the unit vector u = (cos ?)i + (sin ?)j for the given direction angle.? = 
A. 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i - 
j
Mathematics