Solve the problem.A certain radioactive isotope decays at a rate of 0.2% annually. Determine the half-life of this isotope, to the nearest year.
A. 3 yr
B. 250 yr
C. 347 yr
D. 151 yr
Answer: C
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = 
5/n
A. ln 5 B. 1 C. 0 D. Diverges
Write the decimal in words.0.021
A. twenty-one hundred-thousandths B. twenty-one thousandths C. twenty-one ten-thousandths D. twenty-one hundredths
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 7 feet more than 4 times the width. He needs 64 feet of fencing to do the job. Find the length and width of the garden.
A. length: 52
ft; width: 11
ft
B. length: 27 ft; width: 5 ft
C. length: 23 ft; width: 4 ft
D. length: 31 ft; width: 6 ft
List the symmetries of the given function, if there are any. Otherwise, state "No symmetry".f(x) = 6x5 - 2x3
A. y-axis B. x-axis, y-axis, origin C. Origin D. No symmetry