1.give the degree and classification of polynomial according to degree of 5x+7? 2.give the degree and classification of polynomial according to degree of 4x²+3x-1? 3.give the degree and classification of polynomial according to degree of -6x³+x²-x+6? 4.give the degree and classification of polynomial according to degree of -5x+x⁴+5x³-15? 5.give the degree and classification of polynomial according to degree of3x⁵-2x⁴+3x³-2x+2?