Q302: Perform the indicated operation and, if
Q303: Subtract.<br>- <span class="ql-formula" data-value="\frac{1}{3}-\frac{5}{9}"><span class="katex"><span class="katex-mathml"><math
Q304: Simplify.<br>- <span class="ql-formula" data-value="\frac{140}{280}"><span class="katex"><span class="katex-mathml"><math
Q305: Simplify.<br>- <span class="ql-formula" data-value="\frac{-200 y}{175 y}"><span
Q306: Multiply.<br>- <span class="ql-formula" data-value="\frac{5}{6} \cdot \frac{5}{7}"><span
Q308: Solve the problem.<br>-Bob's rent is
Q309: Simplify.<br>- <span class="ql-formula" data-value="6(-21)+2(-9)"><span class="katex"><span class="katex-mathml"><math
Q310: Evaluate - (-x) for the given
Q311: Find percent notation.<br>- <span class="ql-formula" data-value="\frac{23}{100}"><span
Q312: Multiply.<br>- <span class="ql-formula" data-value="\left(-\frac{2}{3}\right)\left(-\frac{14}{27}\right)"><span class="katex"><span class="katex-mathml"><math