Ok. This is an incomplete question. I don't want to report. Please tell me the answer choices so I can match them for you.
Answer:
4x+1
Step-by-step explanation:
Collect the like therms and then substract the numbers
53.778 is the answer. I hope this helps and have a good day!
B. Triangle B and Triangle D
Triangle A has all equal sides and Triangle C is a right triangle.