Which of the following expressions are in standard form? Select all that apply.

Classify the following expression by terms and degrees. Select all that apply.

4x³ - 16x² + 8

Classify the following expression by terms and degrees. Select all that apply.

14x² - 28x - 7

Classify this polynomial by number of terms:

4x⁵ - 3x³

Classify this polynomial by its degree: 17x + 4

Find the sum.

(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

(x² + 3x - 9) - (x² +2x - 8)

Select two polynomials whose difference is 6x + 3