Answer: 20
Step-by-step explanation:
Let 's complete our quadrilateral to a rectangle ; and subtract from it the area highlighted in red

Answer:
Y = 6 I’m pretty sure if its not 6 it’s -6
Step-by-step explanation:
Answer: x = 5/7
Step-by-step explanation:
The numerator is the power, while the denominator is the index (thing next to radical).
Divide 55 by 5. get 11 times that by 4. you're welcome
I think it would be A. 9.6. I'm completely sure on that one.