Helen wrote and solved the equation. x minus 17 = 56. X minus 17 + 17 = 56 minus 17. X = 39. What was Helen's error? Helen only needed to add 17 to the left side of the equation. Helen should have added 17 to both sides of the equation. Helen's work is correct. Helen made a subtraction error when subtracting 17 from 56.

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem