Answer:
0.43
Step-by-step explanation:
2+3+1+1=7
7*4+28==Area of full shape
(2*4)+(1*4)=12==Area of shaded shapes
12/28=0.428571>rounded up>0.43
When ever you combine different elements the chemical properties change because elements are different , unless you combine the exact same elements.
A zero in front of the x would make this a difference of two perfect squares. All of the other option would interfere by adding another term.
