Solve the problem.In a chemistry class, 3 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 liters
B. 2.5 liters
C. 0.5 liters
D. 3 liters
Answer: A
Mathematics
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Solve.A rectangular garden has dimensions of 24 feet by 14 feet. A gravel path of uniform width is to be built around the garden. How wide can the path be if there is enough gravel for 480 square feet?
A. 7 ft B. 5 ft C. 7.5 ft D. 6 ft
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If 
and g(x) = x 2 - 6, x ? 0, determine algebraically whether f and g are inverse functions.
a. Yes, f and g are inverse functions.
b. No, f and g are not inverse functions.
Mathematics
Solve the system by the elimination method.4x + 6y = 1516x + 24y = 60
A. {(6, 1)} B. ? C. {(x, y)| 4x + 6y = 15} D. {(0, 4)}
Mathematics
Solve.Find 2 times 2,154.
A. 4,408 B. 4,318 C. 4,308 D. 4,208
Mathematics