3. Malala bought a 5-pound bag of dog food. She feeds her dog 1/3 pound of dog food every day. How many days will the bag of food last

What is always true when two whole numbers are subtracted?

How many terms does the polynomial x^2 y^2 have

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)