What is 2+2

I need help right no

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Rewrite so the subject can be y in the formula d=m-y/y+n