A jacket that cost $80 is reduced in a sale to $64. what is the percentage taken away

Which graph represents the function f(x)=4[x]?

From a party ,lori made a fruit punch from 1 gallon of orange juice ,2 quarts of grape juice,5 pints of pineapple juice,and 12 cups of cranbarry juice order the juice from least to greatest amount used in the fruit punch

Below are two different functions, f(x) and g(x). what can be determined about their slopes? f(x)= −1x + 1 the function g(x) going through 0, 3 and 1, 1