Please answer showing work on paper if you can.

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Can someone me i’m confused. will give brainliest and a whole bunch of points

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