Solve the quadratic inequality if possible. Round your answer to the nearest tenth, if necessary.x2 - 6 ? -70
A. -8 ? x ? 8
B. x ? -8 or x ? 8
C. No real number satisfies this inequality.
D. x ? 8
Answer: C
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If 
represents student enrollment at your university in year t, what units are associated with the average rate of change for S with respect to ?t?
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A garbage truck must pick up garbage at 4 different dump sites (A, B, C, and D) as shown in the graph below, starting and ending at A. The numbers on the edges represent distances (in miles) between locations. The truck driver wants to minimize the total length of the trip.
The cheapest-link tour starting with vertex A is given by:
A. A, D, C, B, A. B. A, B, C, D, A. C. A, B, D, C, A. D. A, C, B, D, A. E. none of these
Write an equivalent expression. Use a commutative law.wx
A. xw
B. w ÷ x
C. w + x
D. 
Verify the identity.1 + sec2x sin2x = sec2x
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