What’s the answer to this ?

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 is the shape of a cross section of the figure shown below

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?