Simplify the expression below.
2x – 4y + 6 + 3x – 9y – 4

True or false? a triangle can be circumscribed about a given circle

What statement is true? 2x^2-9x+2=-1

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