Amanda built some pens to house her dogs. If she puts 1 dog in each pen, she will have 2 dogs left over. If she puts 2 dogs in each pen, she will have 1 empty pen. How many dogs and pens does Amanda have?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Can anyone me with 32,33,36,37,and 40.

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?