Answer:
-4c + 6d + 10.
Step-by-step explanation:
<em>Group like terms</em> - 3c - 7c + 5d + d + 10
<em>Add/Subtract - </em>-4c + 6d +1 0
We know that
[area of circular cookie]=pi*r²
r=2.5 in
[area of circular cookie]=pi*2.5²----> 19.63 in²
the answer is
the area of circular cookie is 19.63 in²