Q42: Add.<br>- <span class="ql-formula" data-value="(-18)+2+(-1)+21"><span class="katex"><span class="katex-mathml"><math
Q43: Determine the sign and the absolute
Q44: Multiply.<br>- <span class="ql-formula" data-value="-4(-24)"><span class="katex"><span class="katex-mathml"><math
Q45: Decide if the inequality is correct.<br>-
Q46: Find the product.<br>- <span class="ql-formula" data-value="(-1)^{4}"><span
Q48: Combine.<br>- <span class="ql-formula" data-value="-6+16-(-3)-14+18"><span class="katex"><span class="katex-mathml"><math
Q49: Solve.<br>-In 13 weeks, the value of
Q50: Find the opposite of the number.<br>--4<br>A)
Q51: Simplify.<br>- <span class="ql-formula" data-value="\frac{-1}{-16}"><span class="katex"><span class="katex-mathml"><math
Q52: Add.<br>- <span class="ql-formula" data-value="-19+34.69+(-56.17)"><span class="katex"><span class="katex-mathml"><math