There are over 23,000,000 people in Australia. Which expression is equivalent to 23,000,000?​

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.