If a town with a population of 1,500 doubles in size every 21 years, what will the population be 42 years from now?

What is the prime factorization of 195

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?