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6) Find the LCM of (7+5r), (49-25r^2),and (7-5r)
The LCM

Resolved Question:

6) Find the LCM of (7+5r), (49-25r^2),and (7-5r) The LCM is ___

8) Find the LCM of 14z^7 and 28z^8 The LCM is___

9) Elena bicycles 4km/h faster than Carlos. In the same time it takes Carlos to bicycle 51km, Elena can bicycle 63km. How fast does each bicyclist travel?

Carlos travels ___ km/h Elena travels____km/h

10) 7-W 2 _____ = _____ 9-W W-9

Select the correct choice below and , if necessary fill in the answer box to complete your choice.

A) The Solution is w=____ B) The equation has no solution

12) 9 + 5 __ __= sz^2 s^2z

14) 2 + 7 __ __ = X X^2

18) Y + 7 __ = - 8 Y

Select the correct choice below and, if necessary, fill in the answer box to complete your choice. __A) The Solution(s) is/are y=__ __B) There is no ssolution

22) -7 ___ 10y

___A) the rational expression is not defined for y=____ Use a comma to separate answer as needed. ___B) The rational expression is defined for every real number

23) the office jet printer can copy Lisa's dissertation in 16 min The laser jet printer can copy the same document in 10 minutes If the two machines work together how long would they take to copy the dissertation?

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