Tank a has a capital city of 9.5 gal .6 1/3 gallons of the tanks water are poured out. how many gallons of water are left in the tank

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

Which one ? is the answer and how to find this answer

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?