Find the slope of the lines graphed below

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 is always true about a positive integer raised to a negative odd power?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers