Solve the problem.An element decays at the rate of S(t) = se-0.017t, where t is time in years and s is the initial size in grams. If you have a 58-gram piece of this element, how many grams will you have 3 years from now? Round your answer to the nearest tenth of a gram.
A. 61.0 g
B. 28.5 g
C. 55.1 g
D. 1.0 g
Answer: C
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C)D)
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A. 1A, 2B, 3C, 4D B. 1A, 2D, 3C, 4B C. 1C, 2A, 3B, 4D D. 1B, 2D, 3C, 4A
T is Exponential (3).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable
Solve the inequality. Express your answer in set notation.x2 ? 36
A. {x| -6 ? x ? 6} B. {x| x ? -6 or x ? 6} C. {x| x < -6 or x > 6} D. {x| x < -6 or x ? 6}
Write an algebraic expression for each quantity using the given variable.The second angle of a triangle is triple the first. The third angle of the triangle is 
smaller than the first. Use the letter x.
A. x = first angle; 3x = second angle; x + 38 = third angle B. x = first angle; 3x = second angle; 38 - x = third angle C. x = first angle; 3x = second angle; x - 38 = third angle D. x = first angle; x - 38 = second angle; 3x = third angle