Answer:
Step-by-step explanation:
Perimeter = P = 4a where a is each side of square
P = 4(353) = 1412
Area = a^2 where a is each side
A = (353)^2 = 124,609
The answer to number nine is 40
20.52 is the answer to the multiplication problem. The product will have two digits to the right of the decimal point