Choose the correct answer — task. Mathematics State Board, Class 7.

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i) The product of

$(y + 3) (y + 7)$ is _________

$(y^{2} + 8 y + 23)$
$(y^{2} + 10 y + 21)$
$(y^{2} + 6 y + 25)$

ii)

${(y + c)}^{2}$

$=$

$i^{i} + i i i + i^{i}$

[Note: Submit the variable, coefficient, and constant in separate answer field.]

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