Subtract.5 - 3

A. 1
B. 4
C. 3
D. 2


Answer: D

Mathematics

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Solve the problem.A brick staircase has a total of 20 steps The first step requires 108 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?

A. 1210 bricks B. 2420 bricks C. 1160 bricks D. 3110 bricks

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Solve the problem.Express the perimeter of the rectangle as a single rational expression.

A.
B.
C.
D.

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Decide whether the limit exists. If it exists, find its value.Find  f(x).

A. 0 B. 2 C. -? D. -2

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In a survey of the dining preferences of 54 dormitory students at the end of the spring semester, the following facts were discovered about Adam's Lunch AL, Pizza Tower PT, and the Dining Hall DH. ? 24 liked AL but not PT 20 liked AL only 37 liked AL 24 liked PT 22 liked DH 9 liked PT and AL but not DH 12 liked PT and DH ? How many liked only DH? ?

A. 10 B. 6 C. 74 D. 18 E. 22

Mathematics