Choose the correct answer for the following:

x² + y² – 2z² + 5x – 7 is a

Choose the correct answer for the following:

The degree of the polynomial is ______

Choose the correct answer for the following:

The degree of the polynomial x² – 5x²y³ + 30x³ y⁴ – 576xy is

Choose the correct answer for the following:

The constant term of 0.4x⁷ – 75y² – 0.75 is

Identify the terms and their coefficients for the following expressions:

i. 3abc - 5ca

ii. 1 + x + y²

iii. 3x² y² - 3xyz + z³

iv.

v.