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The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of all the numbers?
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An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in
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Scenario: 2 storage sheds are to have the same area. 1 is square and the other is rectangular. the rectangular shed is 4 meters wide and 9 meters long question: how large is one side of the square shed in meters?
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Asap 25 pts + brainliest to right/best answer only answer if you know for sure
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The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of...
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