Match each word to the appropriate example using the expression 5a + 9b - 4.
is a coefficient
is a constant.
There are
terms in the expression.

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

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.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.