Suppose that y varies inversely with x. write a function that models the inverse function. x = 15 when y = 2.
a. y=30/x
b. y=7.5x
c. y=15/2x
d. y=30x

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

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Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal