Which two city parks have equivalent ratios of planted maple trees to the total number of trees in the park? City Parks Maple Trees Planted Total Trees Planted Central 18 198 16 172 North Ridge South Side 12 135 Eastern 14 154

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

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According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.