Q76: Subtract.<br>- <span class="ql-formula" data-value="-1-\left(\frac{7}{6}\right)"><span class="katex"><span class="katex-mathml"><math
Q77: Write the word or phrase that
Q78: Simplify.<br>- <span class="ql-formula" data-value="13+(-15)-19"><span class="katex"><span class="katex-mathml"><math
Q79: Divide.<br>- <span class="ql-formula" data-value="-1 \div 0.02"><span
Q80: Evaluate <span class="ql-formula" data-value="-(-x)"><span class="katex"><span
Q82: Multiply.<br>- <span class="ql-formula" data-value="3(2 r+7+2 s)"><span
Q83: Divide, if possible.<br>- <span class="ql-formula" data-value="\frac{-180}{-90}"><span
Q84: Multiply.<br>- <span class="ql-formula" data-value="-18 \cdot(-10)"><span class="katex"><span
Q85: Multiply.<br>- <span class="ql-formula" data-value="\left(\frac{12}{7}\right)\left(\frac{14}{9}\right)"><span class="katex"><span class="katex-mathml"><math
Q86: Subtract.<br>- <span class="ql-formula" data-value="-65-(-30)"><span class="katex"><span class="katex-mathml"><math