Solve the problem.Suppose that the number of bacteria in a culture after x hours is given by 
. How many bacteria are in the culture after 8 hours?
A. 4 bacteria
B. 2027 bacteria
C. 5331 bacteria
D. 13,460 bacteria
Answer: D
Mathematics
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Evaluate the expression.36 - 7 ? 2 + 24 ÷ (-6)
A. -126 B. -9 C. 18 D. 54
Mathematics
Solve the problem. Round to the nearest tenth if necessary.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 34 questions correct. What was the percent of increase?
A. 36% B. 26.5% C. 64% D. 9%
Mathematics
Find area of figure. Round to the nearest hundredth if necessary.
A. 25
cm2
B. 11 cm2
C. 22 cm2
D. 30
cm2
Mathematics
Determine the most appropriate metric unit to go in the blank. Choose from L, ml, kg, g, and mg.Helen and Juan went hiking. Between the two of them they brought 9 
of water.
A. mg B. mL C. L D. kg E. g
Mathematics