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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?

_____Minutes
Submitted: 4 years ago.
Category: Homework
Expert:  akch2002 replied 4 years ago.
Thanks for using Justanwer.com
Can you upload screen shots or word file of these questions as some of the questions have got distorted and, hence; it is difficult to understand?
Expert:  akch2002 replied 4 years ago.
Kindly clarify question 10.
Expert:  akch2002 replied 4 years ago.