Question 21 of 25 Which of these figures has rotational symmetry?
O A.
OB.
OC
OD.
o
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Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

What is the number 321,000,000 in scientific notation? also what is the number? ?

How do you do the foil method with polynomials?