Stephen and Chelsea want to increase the volume of this prism by 72 cubic centimeters. Chelsea wants to add eight layers, and Stephen says they only need to add four layers. Their teacher tells them they are both correct. Explain how this is possible.

Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base