What product of a number is 7 and less than 49

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?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76