-y^3 over 3y^2+8. Y=-3

-y^3 over 3y^2+8. Y=-3

In 5 hours, a secretary can address 100 envelopes. Another secretary can address 100 envelopes in 7 hours. How long would it take the secretaries, working together, to address 400 envelopes? (Hint:...

2/w+2 -3/w + w+10/w^2-4

simplify be removing factors of 1

[(1/9)- (1/n)] / [(n+9)/ 9]

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