Identify the property that justifies each statement. Group of answer choices
If 4m + n = 7 and n = 3, then 4n + 3 = 7

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If a = -5, then 2a = -10

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If 3x = y, then y = 3x

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If 4w -1 = 11, then 4w = 12

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If a + b = c, and c = d^2, then a + b = d ^2

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6y = 6y

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If -8q = -56, then q = 7

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If 5k = -25, then 5k -1 = -25 - 1

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-3 (2x - 5) = -6x + 15

[ Choose ]

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?