The greatest common factor of each time is expression 60a b -72 b is 12b which Choice shows the expression 12b(5ab-6b)
12b(5a-6)
12b(48a-60)
12b(48ab-60b)
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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.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?