Solve the problem.In a chemistry class, 5 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 1.5 L
B. 5.0 L
C. 2.5 L
D. 3.5 L
Answer: C
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Provide an appropriate response.Write 
in rational exponent form.
A. x
B. x
C. x
D. x
Solve the problem.A study in a small town showed that the percent of residents who have college degrees can be modeled by the function 
where x is the number of years from 2010. Rewrite the model with x equal to the number of years from 2015.
A. 
B. P = 32x0.31 - 5
C. P = 32x0.31 + 5
D. 
Evaluate the logarithm.log8 64
A. 64 B. 2 C. 16 D. 8
Find the probability.A basketball player hits her shot 42% of the time. If she takes four shots during a game, what is the probability that she misses the first shot and hits the last three? Express the answer as a percentage, and round to the nearest tenth (if necessary). Assume independence of shots.
A. 3.1% B. 43% C. 4.3% D. 31.1%