Which equation is equlivant to (6x-1)

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?

Which of the following can be used to explain a statement in a geometric proof?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.