3(x+y)= 3xtimes 3y 3x+3y C 3x-3y none of the above

The correct answer is B) $3x+3y$.<br /><br />To solve this problem, we need to apply the distributive property of multiplication over addition. The distributive property states that for any numbers a, b, and c, the expression a(b + c) is equal to ab + ac.<br /><br />In this case, we have the expression $3(x+y)$. To apply the distributive property, we multiply 3 by each term inside the parentheses:<br /><br />$3(x+y) = 3 \cdot x + 3 \cdot y = 3x + 3y$<br /><br />Therefore, the correct answer is B) $3x+3y$.