Martha paid $42.40 for her sister’s birthday present. this included 6% sales tax. what was the cost of the gift before tax? a. $44.94 b. $40.00 c. $25.44 d. $2.40

What is the solution to the equation 9^(x+1) =27

Which of the following expressions is equal to 2x^2+8

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.