Solve the equation.(y - 8) - (y + 4) = 7y
A. 
B. 
C. 
D. 
Answer: B
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Find the distance between two points given their coordinates.Find the distance between points P and Q on a number line, with coordinates -10 and 3, respectively.
A. d(P, Q) = -7 B. d(P, Q) = -13 C. d(P, Q) = 13 D. d(P, Q) = 7
Suppose that John hands you a coin to flip and wants to bet on the outcome. Now, John has tried this sort of thing before, and you suspect that the coin is "rigged." You decide to test this hypothesis by taking a sample. You flip the coin twice, and it is heads both times. You say, "Aha, I knew it was rigged!" John replies, "Don't be silly. Any coin can come up heads twice in a row."
? The following scheme was devised to allow fair results even if the coin is somewhat biased. The coin is flipped twice. If it comes up heads both times or tails both times, it is flipped twice again. If it comes up heads-tails, this will decide the outcome in favor of the first party; and if it comes up tails-heads, this will decide the outcome in favor of the second party. Will this result in a fair toss even if the coins are biased? ? A. No B. Yes
Find the ordered pair for the vertex.f(x) = x2 - 1
A. (1, 0) B. (0, 1) C. (0, -1) D. (-1, 0)
Use a graphing calculator to graph the function using the given viewing window. Use the graph to decide if the function is one-to-one. If the function is one-to-one, give the equation of the inverse function.f(x) = x3 - 3x2 - x + 3; [-2, 4] by [-20, 20]
A. Not one-to-one
B. One-to-one; f-1(x) = 
C. One-to-one; f-1(x) = 
- x
D. One-to-one; f-1(x) = 