42in.^2 should be the answer that you are looking for. Hope this helps
Answer:

mathematicallly error sentence!
Answer:
5x^2 + 3x +4
Step-by-step explanation:
(2x^2 + x + 3) + (3x^2 + 2x + 1)
Combine like terms
(2x^2 + 3x^2 + 2x+ x + 3 + 1)
5x^2 + 3x +4
Step-by-step explanation:
circumference= 3.142*diameter
Diameter of main Street park is 30
Diameter of uptown park is 16
3.142*30=94.26
3.142*16=30.272
94.26-30.272=43.988
round off to tenth =44.0km