Q277: Evaluate.<br>- <span class="ql-formula" data-value="-19+(-10)+(-10)+21"><span class="katex"><span class="katex-mathml"><math
Q278: Evaluate.<br>- <span class="ql-formula" data-value="3-(-3) \cdot(-2)^{3}"><span class="katex"><span
Q279: Solve.<br>-Yesterday the temperature at <span
Q280: Simplify.<br>- <span class="ql-formula" data-value="9+(-36) \div(-6)(-7)"><span class="katex"><span
Q281: Give a written response.<br>-You are given information
Q283: Add.<br>- <span class="ql-formula" data-value="(-3.992)+(-5.67)+0.52"><span class="katex"><span class="katex-mathml"><math
Q284: Solve the problem.<br>-Which is colder: a temperature
Q285: Perform the operation. Write the answer
Q286: Decide if the inequality is correct.<br>-
Q287: Arrange the numbers from smallest to