When solving the system x + 2y = 9 and x - y = 6 by substitution, what can be substituted for x in the second equation?
1/2y + 9
09-7/2
09 - 2y
09-7

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years