you are buying shingles for a roof. each bundle with cover 27 square feet. the roof consists of two rectangular parts and each is 70 feet by 30 feet. how many bundles of shingles do you need?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm