What's the slope of the line defined by the equation 8x+2y=5

What is a possible solutions of the x> 3?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?