The circumference of a circle is 8π cm. what is the circle's area? 8π cm2 16π cm2 32π cm2 64π cm2

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

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.

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4