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Q11: Consider the following graph. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8813/.jpg" alt="Consider
Q15: Solve the equation and check.
Q29: Use the formula <span class="ql-formula"
Q42: Solve the equation. <span class="ql-formula"
Q71: Add. ( <span class="ql-formula" data-value="4"><span
Q82: Solve the pair of linear equations
Q134: Add. ( <span class="ql-formula" data-value="4"><span
Q165: Mix a solution that is 70% alcohol
Q168: Let x = -2 and n
Q186: Let <span class="ql-formula" data-value="n =