Write the expression in standard form, then identify the degree of the polynomial, the leading coefficient, and the constant term: 9x⁷ - 5x³.
a) Degree: 7, Leading coefficient: 9, Constant term: 0
b) Degree: 7, Leading coefficient: -5, Constant term: 0
c) Degree: 7, Leading coefficient: 9, Constant term: -5
d) Degree: 3, Leading coefficient: -5, Constant term: 0
