I need the answers to all of these

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.