Answer:
5n-9
Step-by-step explanation:
((x+2)(x+2))-((x-5)(1))=A
x^2+4x+4-x+5=A
x^2+3x+9=A
Answer:
900
Step-by-step explanation:
Sum of interior angle for a polygon = (n-2)180
7 sides
=(7-2)180
=5*180
=900
On the y-axis.
Hope this helps!!
D. Is the answer if im wrong then you don't have to thank me