What It Trigonometry ?

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?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.