What polynomial expressions are equivalent to (4x+-1)

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

5(-9w) put expression in distributive property

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3