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Answer: =3.14r2
Step-by-step explanation:
the exponent is 2
Factoring the polynomial
by grouping means separation of the polynomial in two addends, each of them consists of two addends:
In first brackets the common factor is
in second brackets the common factor is 
Then

Answer: correct choice is B
22.
14-1.5 = 12.5
16-1.5 = 14.5
Put a dot at 12.5 and a dot at 14.5 then connect them with a line and write (1.5 added) below the graph
Answer:
I cant remember this
Step-by-step explanation:
i cant remember