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Which of the following expressions are equivalent to 60-3y-9?
A. 3(17 - y)
B. 3(20-y)-3
C. 17(3-y)
D. 20(3-3y)-9 ​

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).