Is it a surd? Yes or no answers. Thank you

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?