Q299: Simplify.<br>- <span class="ql-formula" data-value="(5-15)^{2} \div(3-4)^{2}"><span class="katex"><span
Q300: Subtract.<br>- <span class="ql-formula" data-value="0.52-0.40"><span class="katex"><span class="katex-mathml"><math
Q301: Decide if the inequality is correct.<br>-
Q302: Simplify.<br>- <span class="ql-formula" data-value="(2-10)^{2} \div(-8)"><span class="katex"><span
Q303: Combine.<br>- <span class="ql-formula" data-value="9 \frac{2}{3}+\left(-6 \frac{5}{6}\right)-(-1)"><span
Q304: Solve the problem.<br>-A corporation's bank account
Q305: Simplify.<br>- <span class="ql-formula" data-value="(4-8)^{2} \div(3-5)"><span class="katex"><span
Q307: Subtract.<br>- <span class="ql-formula" data-value="-15-(-10)"><span class="katex"><span class="katex-mathml"><math
Q308: Find the opposite of the number.<br>-29<br>A)
Q309: Add. Do not use a number