Identify the coefficient of each term of the polynomial.-2h - 4z
A. -2 and 4
B. 2 and -4
C. 2 and 4
D. -2 and -4
Answer: D
Mathematics
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Determine whether the graph represents a function.
A. Yes B. No
Mathematics
Find the center and radius of the sphere.x2 + y2 + z2 - 14x - 12y + 2z = -37
A. C(7, 6, -1), a = 49 B. C(7, 6, -1), a = 7 C. C(-7, -6, 1), a = 7 D. C(7, 6, 1), a = 7
Mathematics
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Mathematics
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
+ 
A. 
B. 
C. 
D. 
Mathematics