According to the line graph above, the number of portable media players sold in 2008 is what fraction of the number sold in 2011?

or

A dairy farmer uses a storage silo that is in the shape of the right circular cylinder above. If the volume of the silo is 72π cubic yards, what is the diameter of the base of the cylinder, in yards?

For what value of x is the function h above undefined?

Jessica opened a bank account that earns 2 percent interest compounded annually. Her initial deposit was 100,andsheusestheexpression100(x) t to find the value of the account after t years.

What is the value of x in the expression?

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