On a map, there are 3 centimeters between two cities. The actual distance between the cities is 45 kilometers. What was the scale used for the map?

please help

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

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.

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?