Solve.11x - 18 ? 2x + 36
A. x ? 6
B. x ? -6
C. x ? -4
D. x ? 4
Answer: A
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Which of the following symbols indicates a translation? ?
A.
?
B.
?
C.
?17 71
D.
?None of the above
E.
?b and c
Solve the problem.When water runs out of a hole in a cylindrical container, the height of the water in the container can often be modeled by a quadratic function. Assume that the height of the water in a particular metal can with a small hole can be modeled by 
where x is the time (sec) and h is the height (cm). Use the quadratic formula to estimate the time when the height is 5 cm. Round your answer to the nearest second.
A. 24 sec B. 31 sec C. 30 sec D. 28 sec
A delivery truck must deliver packages to five different store locations (A, B, C, D, and E). The trip must start and end at D. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
The repetitive nearest-neighbor tour starting with vertex D is given by:
A. D, E, A, B, C, D. B. D, A, B, E, C, D. C. D, C, E, A, B, D. D. D, C, A, B, E, D. E. none of these
Write the equation in polar form.x = 9
A. r = 9 cos ? B. r = 9 sin ? C. r = 9 sec ? D. r = 9 csc ?