题目内容

Which number has the greatest absolute value? ( )

A. -19
B. -15
C. 13
D. 17

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Traditions Clothing Store is having a sale. Shirts that were regularly priced at $20 are on sale for $17.what is the percentage of decrease in the price of the shirts? ( )

A. 3%
B. 15%
C. 18%
D. 85%

If the edge-length of a cube is 2, what is the volume of the cube ? ( )

A. 4
B. 8
C. 16
D. 32

An object starts from rest with an acceleration of 2.0 m/s2 for 3.0 seconds. It then reduces its acceleration to 1.0 m/s2 for 5.0 additional seconds. The total distance covered is

A. 51.5 m.
B. 38.5 m.
C. 11 m.
D. 9.0 m.
E. 7.6 m.

A graph of x vs t2 is linear, and intercepts the vertical axis at 12m and the horizontal axis at 2s. What is the function? ()

A. x = 12m - (6m/s2)t2
B. x = 12m + (6m/s2)t2
C. x = 12m + (3m/s2)t2
D. x = 12m - (3m/s2)t2
E. x = 6m - (6m/s2)t2

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