Which data set has the greatest spread?

Set A - {84, 91, 87, 77, 94, 89, 74}

Set B - {89, 73, 84, 91, 87, 77, 94}

Set C - {73, 84, 89, 88, 77, 91, 87, 90}

Set D - {84, 89, 88, 82, 91, 87, 99}

A.

Set A

B.

Set B

C.

Set C

D.

Set D

Harold collected 360 stamps to his trip to Europe. he collected 35% of his stamps in Scotland, 15% of his stamps in Ireland, 25% of his stamps in Italy, and the rest in Greece. How many more stamps does he have from Scotland than from Greece

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Write the explicit formula for the following sequence. 3, 30, 300, 3000

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4.9 divided by 160.72