Q317: Remove parentheses and simplify.<br>- <span class="ql-formula"
Q318: Simplify.<br>- <span class="ql-formula" data-value="(6+5)[7+(4+5)]"><span class="katex"><span class="katex-mathml"><math
Q319: Use the commutative and/or associative laws
Q320: Simplify.<br>- <span class="ql-formula" data-value="6+(-8)-(-1)-6"><span class="katex"><span class="katex-mathml"><math
Q321: Find the reciprocal, if it exists.<br>-
Q323: Multiply.<br>- <span class="ql-formula" data-value="-6 \cdot(-2) \cdot(-3)
Q324: Use the commutative and/or associative laws
Q325: Multiply.<br>- <span class="ql-formula" data-value="4(3 x+8 y+2)"><span
Q326: Remove parentheses and simplify.<br>- <span class="ql-formula"
Q327: Solve the problem.<br>-The stock market gained 54