Write as a logarithm of a single expression.
(log6 (r - 2) - log6 r)
A. log6 
B. log6 
C. log6 
D. log6 
Answer: C
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Find the roots of the equations.
= 
A. 
B. 
C. 
D. 
Determine the degree of the polynomial.-15 - 2x - 4x2 - 18x3 - 17x4
A. -13 B. -17 C. 4 D. 21
Solve the problem.The radius, r, of a sphere can be found using the formula 
where S is the surface area. If the surface area is 11,118 square inches, what is the radius? (Use ? ? 3.14 and round to the nearest tenth.)
A. 52.7 in. B. 29.8 in. C. 93.4 in. D. 59.6 in.
Solve the problem.Suppose a nonhomogeneous system of 15 linear equations in 17 unknowns has a solution for all possible constants on the right side of the equation. Is it possible to find 3 nonzero solutions of the associated homogeneous system that are linearly independent? Explain.
What will be an ideal response?