Guys please hwat is it i have a test Which expressions represent the difference of exactly two expressions? Choose 3 answers:
Choose 3 answers:

(Choice A)
A
6(x+7)-26(x+7)−26, left parenthesis, x, plus, 7, right parenthesis, minus, 2

(Choice B)
B
-2j−2jminus, 2, j

(Choice C)
C
4f-2g4f−2g4, f, minus, 2, g

(Choice D)
D
3xyz-103xyz−10

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno step statement reason 1 ∠oln ≅ ∠lno given 2 draw oe as a perpendicular bisector to ln by construction 3 ∠leo ≅ ∠neo transitive property of equality 4 m∠leo = 90° definition of a perpendicular bisector 5 m∠neo = 90° definition of a perpendicular bisector 6 le ≅ en definition of a perpendicular bisector 7 δole ≅ δone side-angle-side (sas) postulate 8 ol ≅ on cpctc nina made two errors in the proof. identify and correct the errors.