Line AB intersects line CD at point F, with a ray FE forming a right angle EFB. What angle relationship best describes angles EFC and EFD?

Complementary angles
Congruent angles
Linear pair
Vertical angles

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.