Which is equivalent to a + (-a)? A. 2a B. – 2a C. 1 D. -1 E. 0

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !