4a - (3a - 2b) + 3a
4a - 3a + 2b + 3a
a + 2b + 3a
4a + 2b
2.(2a + b)
Answer:
8 degrees Fahrenheit
Step-by-step explanation:
The sum of the angles of a quadrilaterals is 360 so 8s=360 s=45
By using Pythagoras theoram,
x²= (6)²+(4)²
optionD