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-7.78 ,-7, -7

Step-by-step explanation:

Convert the two fractions into decimals

-7 = -7.65

-7 = -7.17

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:

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.