If mary has two dogs, a cat, a fish, rat, and hamster. her fish and rat die, how many pets does mary have if she buys a bird?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

Consider circle o, where and . m∠bpd °. °.