Solve the problem.An element decays at the rate of S(t) = se-0.046t, where s is the initial amount in grams and t is the time in years since this initial amount was present. If you have a 62-gram piece of this element, how many grams will you have 2 years from now? Round your answer to the nearest tenth of a gram.
A. 0.9 g
B. 68.0 g
C. 29.6 g
D. 56.6 g
Answer: D
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Find parametric equations for the line through the point (4,5,5) that is parallel to the plane x+y+z=-15 and perpendicular to the line x=15+t, y=12-t, z=3t.
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Find the exact value of the following expression without using a calculator.sin 0°
A. 0
B. 
C. 1
D. 
A professional gambler reported that at the end of the first race at the track he had doubled his money. He bet $31 on the second race and tripled the money he came with. He bet $56 on the third race and quadrupled his original bankroll. He bet $64 on the fourth race and lost it, but still had $60 left. With how much money did he start? ? $__________
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A pendulum bob swings through an arc 40 inches long on its first swing. Each swing thereafter, it swings only 90% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 200 in. B. 44 in. C. 89 in. D. 400 in.