For which of the following compound inequalities is there no solution? -2m < 6 and 3m > 24
m+9 < 8 and -2m > 10
8m +5 > 5 and -4m +6 < -10
6m <-36 and m + 24 > 20

The population of a small rural town in the year 2006 was 2,459. the population can be modeled by the function below, where f(x residents and t is the number of years elapsed since 2006. f(t) = 2,459(0.92)

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If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9