What is true about the sum of the two polynomials? 6 s squared t minus 2 st squared 4 s squared t minus 3 st squared
A
The sum is a trinomial with a degree of 2 .B
The sum is a trinomial with a degree of 3 .C
The sum is a binomial with a degree of 3 .D
The sum is a binomial with a degree of 2 .