Solve the problem.A chemist needs 130 milliliters of a 35% solution but has only 5% and 70% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 50 mL of 5%; 80 mL of 70%
B. 80 mL of 5%; 50 mL of 70%
C. 60 mL of 5%; 70 mL of 70%
D. 70 mL of 5%; 60 mL of 70%
Answer: D
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State whether the scatter diagram shows strong positive correlation, weak positive correlation, strong negative correlation, weak negative correlation, or no correlation. 
A. No correlation B. Weak positive correlation C. Strong negative correlation D. Weak negative correlation E. Strong positive correlation
Solve the problem.Kevin invested part of his $5000 bonus in a certificate of deposit that paid 2% annual simple interest, and the remainder in a mutual fund that paid 4% annual simple interest. If his total interest for that year was $120, how much did Kevin invest in the mutual fund?
A. $4988.00 B. $4868.00 C. $1120.00 D. $1000.00
For the pair of functions, find the indicated domain.f(x) = x2 - 16, g(x) = 2x + 3Find the domain of f ? g.
A. [4, ?) B. (-4, 4) C. [0, ?) D. (-?, ?)
Solve the rational equation.
+ 
= 
A. 8
B. 
C. -4
D. -8