There are 18 students in the science club out of those 18 students 1/6 of them have red hair and 4/6 have brown hair how much students have red and brown hair

How do you determine if an ordered pair is a solution to a given equation?

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

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.