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The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=