## a. Write five number pairs (r,s) to solve (r-2) (s+1) = 70. You can use negative numbers and fractions. b. Write five number pairs (r,s) to solve (r-2) (s+1) = 0. You can use negative numbers and fractions. c. Make a list of every number that could be used to replace r to solve (r-3) (r+5) = 0.

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