1. Classify the polynomial 5x^2+9x+1 according to its degree. A. linear
B. cubic
C. quintic
D. quadratic

2. Which polynomial is written in standard form?
A. -5x^3+2x+9x^2
B. 2x+9x^2-5x^3
C. 9x^2+2x-5x^3
D. -5x^3+9x^2+2x

3. Simplify 3√x^6y^9 . All variables represent nonnegative numbers.
A. x^2y^3
B. 2x ⋅ 3y
C. x^1/2 y^1/3
D. x^5

Answer fast please in class right now and im willing to give 70 points. Please don't take the points for free