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Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Choose the more precise measurement. 26.4 cm or 8.39 cm