Temperature dropped from 11 below zero to 4 below zero how much did the temperature drop

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

X+y=-4 x-y=2 use elimination with adding and subtraction