1.9 or 1 9/10
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Answer:
b = c - a - D
Step-by-step explanation:

Answer:
Answer: 7y²-x²y+3xy+7x²
Step-by-step explanation:
Answer:
70 degrees
Step-by-step explanation:
The adjacent angles in a parallelogram are supplementary and add to 180 degrees
∠CDE+∠DEF=180
We know that ∠CDE is 110 degrees, so we can substitute that in
∠CDE+∠DEF=180
110+∠DEF=180
Subtract 110 from both sides
∠DEF= 70
So, ∠E is 70 degrees
Answer: 6
Step-by-step explanation: