Cho khối trụ r = 4 và h = 3, thể tích của khối trụ bằng bao nhiêu?

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Which statement describes surface features called maria on the moon

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?