Solve the problem.How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 350e-0.169t, where t is the time in years? Round your answer to the nearest hundredth year.
A. 34.66 yr
B. 59.15 yr
C. 38.76 yr
D. 4.10 yr
Answer: D
Mathematics
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Multiply or divide as indicated. Write the answer in lowest terms.
? 
A. 9x
B. 
C. 
D. 
Mathematics
Solve the problem.An art teacher knows that for a price of $24 per student, she can enroll 20 students in her pottery class. However, for each decrease of $2 in the price, she can expect 10 more students. What price will maximize her revenue from the class?
A. $34 B. $4 C. $14 D. $19
Mathematics
Factor out the greatest common factor, or a negative common factor if the coefficient of the term of greatest degree is negative.-4s6 + 16s3
A. 12(s3 + 4s) B. -4s3(s3 - 4) C. -s3(4s3 + 16) D. -4s3(s3 + 4)
Mathematics
Graph the function.
A. 
B. 
C. 
D. 
Mathematics