Pyramid a is a square pyramid with a base side length of 18 inches and a height of 9 inches. pyramid b has a volume of 3,136 cubic inches. how many times bigger is the volume of pyramid b than pyramid a?

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Which statement describes surface features called maria on the moon