How is an equation like an expression? How is it different?

Write an algebraic expression for the word expression the quotient of c and 8

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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?