Solve the problem.How many liters (L) of a 10% silver iodide solution must be mixed with 8 L of a 4% silver iodide solution to get a 6% solution?
A. 8 L
B. 3 L
C. 4 L
D. 5 L
Answer: C
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For the function f whose graph is given, determine the limit.Find 
f(x) and 
f(x).
A. does not exist; does not exist B. -1; 3 C. 1; 1 D. 3; -1
Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. Write the ordered pairs representing these data and plot the points.
A. (1, 1064), (2, 1151), (3, 1227), (4, 1289), (5, 1327)
B. (1064, 1), (1151, 3), (1227, 5), (1289, 7), (1327, 9)
C. (1, 1064), (3, 1151), (5, 1227), (7, 1289), (9, 1327)
D. (0, 1064), (1, 1151), (2, 1227), (3, 1289), (4, 1327)
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(
)2(m-1/8b1/6)-2
A. 
B. 
C. 
D. 
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.2x3y5 + 4x2y5 - 16xy5
A. y5(2x2 + 4x)(x - 4) B. 2xy5(x - 2)(x + 4) C. prime D. 2xy5(x + 2)(x - 4)