Solve the problem.Suppose the algae growth in Black Oak Lake increased from 100 cells per milliliter to approximately 100,000,000 cells per milliliter in a  period. The specific growth  is defined byr = ,  is the algae concentration at 

/> is the algae concentration at  In this situation, what is the specific growth rate of algae? Round your results to the nearest hundredth.



A. -19,999,980.00

B. 1.20

C. -1.20

D. 19,999,980.00

---

Answer: B

Mathematics

Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If a person earns $19,800 per year, estimate that person's hourly salary.

A. $50 B. $10 C. $40 D. $100

Factor completely. If the polynomial cannot be factored, write "prime."11x6 - x5 - 11x + 1

A. (x5 - 1)(11x - 1) B. (x5 + 1)(11x + 1) C. (x5 - 1)(11x + 1) D. (x5 + 1)(11x - 1)

Simplify the fraction to lowest terms.

A.
B.
C.
D.

Multiply.(-19.3)(-3.80)

A. 0.7334 B. 733.4 C. 73.34 D. 7.334