Q78: Simplify.<br>- <span class="ql-formula" data-value="\frac{-9}{-9}"><span class="katex"><span class="katex-mathml"><math
Q79: Simplify.<br>- <span class="ql-formula" data-value="4^{2}-(-7)"><span class="katex"><span class="katex-mathml"><math
Q80: Find the opposite of the number.<br>-
Q81: Solve the problem.<br>-Which is warmer: a temperature
Q82: Add the numbers using the number
Q84: Divide.<br>- <span class="ql-formula" data-value="44.2 \div(-5.2)"><span class="katex"><span
Q85: Find the larger number.<br>--3.831 and -4<br>A) -3.831<br>B)
Q86: Perform the operation. Write the answer
Q87: Subtract.<br>- <span class="ql-formula" data-value="4.965-(-0.78)"><span class="katex"><span class="katex-mathml"><math
Q88: Multiply.<br>- <span class="ql-formula" data-value="4 \cdot(-3) \cdot(-5)