Solve the problem.The decay of 356 mg of an isotope is given by A(t) = 356e-0.019t, where t is time in years. Find the amount left after 89 years.
A. 33 mg
B. 66 mg
C. 349 mg
D. 64 mg
Answer: B
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Solve the equation.7x - 6x = 14
A. 0
B. - 
C. 14
D. -14
Use the intermediate value theorem for polynomials to show that the polynomial function has a real zero between the numbers given.f(x) = 3x3 - 3x + 8; -2 and -1
A. f(-2) = -9 and f(-1) = 9 B. f(-2) = 10 and f(-1) = 8 C. f(-2) = 10 and f(-1) = -8 D. f(-2) = -10 and f(-1) = 8
Write your answer in lowest terms.The Brown family traveled 100 miles on a trip this summer. 30 miles of their trip was by train. What fraction of the trip was by train?
A. 
B. 100
C. 
D. 
Let R, F, L, B, T, U mean rotate 90° clockwise the right, front, left, back, top, and under faces, respectively. Name the move that will return the cube to standard position after making the move R-1U-1.
What will be an ideal response?