Q371: Simplify.<br>- <span class="ql-formula" data-value="\left(-3 p^{-4} q^{4}
Q372: Multiply.<br>- <span class="ql-formula" data-value="(7 y+x)(7 y-x)"><span
Q373: Multiply and simplify.<br>- <span class="ql-formula" data-value="\left(m
Q374: Simplify.<br>- <span class="ql-formula" data-value="-(-6 x)"><span class="katex"><span
Q375: Add.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9836/.jpg" alt=" Add. -
Q377: Solve the problem.<br>-During the first seconds,
Q378: Multiply.<br>- <span class="ql-formula" data-value="\left(\frac{1}{8} x^{5}\right)\left(\frac{1}{4} x^{7}\right)"><span
Q379: Simplify.<br>- <span class="ql-formula" data-value="-\left(-5 x^{4}-7 x^{3}-x^{2}+2.6\right)"><span
Q380: Express using positive exponents. Then simplify.<br>-
Q381: Multiply.<br>- <span class="ql-formula" data-value="\left(x-\frac{1}{4}\right)\left(x+\frac{1}{4}\right)"><span class="katex"><span class="katex-mathml"><math