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Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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]

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class