Posted by **Brenna** on Friday, April 2, 2010 at 12:13am.

I appreciate the help. i take the class online and we get 70 problems a day to do.

sqrt = < sign

#46.

<-r^5/2 * <-2/r^3

#50

<-25a^3 - <-225a^3 + 20a<-a

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