Each student’s unique identification number is paired with his or her grade level. A:No, because not all students will have an identification number.

B:Not enough information is given.

C:No, because more than one student will be paired with the same grade level.

D:Yes, because each student’s identification number is unique and will be paired with just one grade level.

B

Step-by-step explanation: We dont have enough info to answer this question

your answer is d 2,500

step-by-step explanation:

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: