If x is an integer, which of the following must be an even integer?
A. x2-x-1
B. x2 - 4x + 6
C. x2 - 5x + 5
D. x2 + 3x-8
E. x2 + 2x - 10

Mason drew the cladogram shown. i give the brainliest which statements best describe the cladogram? check all that apply. reptiles are the most primitive. birds and reptiles are most closely related. frogs are more closely related to fish than birds. frogs are more closely related to birds than fish. fish are the most primitive.