I need help on this one

The answer is π is C.) irrational, because its decimal expansion does not repeat.

Step-by-step explanation:

Pi is an irrational number because its decimal expansion goes on for infinity so in order to use π in equations we must use an approximate value (usually 3.14).

Hope this helps,

~ Nicki ~

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation: