The answer is x2 + 2xy + y2.
Answer:
A unit of volume equal to that of a cube having sides each one decimetre in length, equal to 10-3 cubic metres and 1 litre. Commonly used in fluid measure and for engine sizes.
the answer is 3
but a way to work these problems out is to use PEMDAS
p-parentheses
e-exponent
m-multiplication
d-division
a-addition
s-subtraction
they have to be donr in that order or the answer will come out different
Incorrect.
Go through the numbers and you'll find un-prime numbers ending in 1:
21, 81, 121,...
Step-by-step explanation:
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