Solve the triangle. Round side lengths and angle measures to the nearest tenth when necessary. 
A. A ? 57.8°, B ? 64.4°, C ? 57.8°
B. A ? 41.3°, B ? 97.4°, C ? 41.3°
C. A ? 35.6°, B ? 108.9°, C ? 35.5°
D. A ? 33.6°, B ? 112.9°, C ? 33.5°
Answer: D
Mathematics
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Find the limit.
A. -?
B. - 
C. 6
D. ?
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Solve.
+ 
= -1
A. - 
B. 0
C. 5
D. No solution
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Solve the problem.In the formula A(t) = A0ekt, A is the amount of radioactive material remaining from an initial amount A0 at a given time t, and k is a negative constant determined by the nature of the material. A certain radioactive isotope decays at a rate of 0.3% annually. Determine the half-life of this isotope, to the nearest year.
A. 100 yr B. 167 yr C. 2 yr D. 231 yr
Mathematics
Subtract the polynomials.(2x5 + 6x2 - 14) - (8x5 + 8x2 - 12)
A. -6x5 - 2x2 - 26 B. -10x7 C. -6x5 - 2x2 - 2 D. -6x5 + 14x2 - 26
Mathematics