Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. r, s and t
B. q, r, s and t
C. q and s
D. Only s
Answer: D
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List all of the Hamilton circuits for the graph that start with the indicated vertices.
Starting D ? A ? B
A. D ? A ? B ? C ? E D ? A ? B ? E ? C B. D ? A ? B ? C ? E ? D D ? A ? B ? E ? C ? D C. D ? A ? B ? E ? C D. D ? A ? B ? C ? E ? D D ? A ? B ? E ? C ? D D ? A ? B ? D ? C ? E D ? A ? B ? D ? E ? C
Provide an appropriate response. If you have 15 boxes and each one weighs 12 pounds 5 ounces, what is the total weight of the boxes? Report your answer in standard form.
A. 180 lb B. 4.6875 lb C. 186 lb 3 oz D. 184 lb 11 oz
Solve the problem.The cost of manufacturing clocks is given by C(x) = 72 + 62x - x2. Also, it is known that in t hours the number of clocks that can be produced is given by x = 9t, where 
Express C as a function of t.
A. C(t) = 72 + 62t + t2 B. C(t) = 72 + 558t - 81t2 C. C(t) = 72 + 558t - 81t D. C(t) = 72 + 62t - 9
Factor out the greatest common factor.54x8y9 - 42x2y6 + 12x5y3
A. 6(9x8y9 - 7x2y6 + 2x5y3) B. 6x2(9x6y9 - 7y6 + 2x3y3) C. x2y3(54x6y6 - 42y3 + 12x3) D. 6x2y3(9x6y6 - 7y3 + 2x3)