Middle school math please help will mark brainlist!!​

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2