Which statement is true about the polynomial 5s6t2 + 6st9 – 8s6t2 – 6t7 after it has been fully simplified?
A
It has 3 terms and a degree of 9.B
It has 3 terms and a degree of 10.C
It has 4 terms and a degree of 9.D
It has 4 terms and a degree of 10.