You decide to give 1/8 of your card collection to your little brother. How much of your collection do you have left?

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes