19.625cm squared because you have to divide the diameter by 2 to get the radius.
area of circle=pi times radius times radius
=3.14 times 2.5 times 2.5
=19.625cm squared
3x^2 + 33x + 54 =
3(x^2 + 11x + 18) =
3(x + 2)(x + 9) <==
I’m not sure about the estimates but the overall answers should be correct
Answer:
the answer is both
Step-by-step explanation:
just do It I checked