Find a pair of numbers with 1. a sum of 40 and a product of 400

2. a sum of 15 and a product of 54

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

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?