All of the following represent the same expression except . -8 · a · b
-8 ab
8 - ab
-8( a )( b )

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Polynomial that can be factored as (3x-4)(3x+4)

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.