Solve.A newspaper carrier has $6.80 in change. He has two more quarters than dimes but three times as many nickels as quarters. How many coins of each type does he have?
A. 14 quarters, 16 dimes, 42 nickels
B. 16 quarters, 14 dimes, 48 nickels
C. 14 quarters, 12 dimes, 42 nickels
D. 42 quarters, 40 dimes, 14 nickels
Answer: C
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Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen sulfide dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. Write the data from the table as ordered pairs (x, y), where x represents the time and y represents the amount dissolved.
A. (1, 22.0), (2, 24.4), (3, 26.4), (4, 28.4), (5, 30.2) B. (4, 22.0), (8, 24.4), (12, 26.4), (16, 28.4), (20, 30.2) C. (0, 22.0), (4, 24.4), (8, 26.4), (12, 28.4), (16, 30.2) D. (22.0, 4), (24.4, 8), (26.4, 12), (28.4, 16), (30.2, 20)
Write as a percent.0.003
A. 0.03% B. 0.15% C. 0.0003% D. 0.3%
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
List the elements in the following set.C ? D
A. {w, y} B. {s, u, w, y, z} C. {s, v, w, x, y, z} D. {w, y, z}
Determine a formula for the exponential function.
A. f(x) = -25.8 ? 1.6x B. f(x) = -15.48 ? 0.6x C. f(x) = 15.48 ? 1.4x D. f(x) = - 43 ? 0.6x