Leah is studying bacteria sample that increases 4 times in mass every day. at the end of the day 1 of her study, the sample has a mass of 4 milligrams. what is the mass of the bacteria sample after6 days of study?

What is the prime factorization of 23 ?me with this question

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

What is the ratio of the length of an object in yards to the length of the same object in miles?