It seems that you have missed the necessary question for us to answer this problem. Anyway, please complete it first and I will try to get back to you and try to help. Let me know. Have a great day ahead!
Answer:
The transformed points of the triangle ABC are
,
, 
Step-by-step explanation:
The new points after applying the scale factor are, respectively:






A and d is the one I would pick
Answer:
I think it's 105.
Step-by-step explanation:
The wording is sort of unclear, but I drew it out and it seems that they are alternate interior angles. Alternate interior angles are congruent! If this is not the right answer, please tell me and I might be able to tell another one.
Well, technically, it has to be either 75 or 105, because all of the special relationships of triangles are either that they are supplementary or they are congruent. So if it's not 105, try 75 :)
Answer:
6
Step-by-step explanation:
Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.