2. If \( \frac{\boldsymbol{x}}{\boldsymbol{y}}=\mathbf{3} \), and \( \boldsymbol{y}=\mathbf{6} \), what is the value of \( \boldsymbol{x}+\boldsymbol{y} ? \) \( 0_{12} \) 18 \( 0_{24} \) 30

if the outpat of the opposite machine is -4 , what is its input? \( x \rightarrow \frac{x}{x+2} \rightarrow \frac{2 x+3}{x-2} \rightarrow \) out put

Solve the following inequality. Give the solution set in both interval and graph forms. \( -21 \leq 5 x-8 \leq 12 \) \( \begin{array}{l}\text { What is the solution set? Select the correct choice } \\ \text { below and, if necessary, fill in the answer box to } \\ \text { complete your choice. } \\ \text { A. The solution set is } \\ \text { (Simplify your answer. Use integers or } \\ \begin{array}{l}\text { atactions for any numbers in the } \\ \text { expression. Type your answer in } \\ \text { interval notation.) }\end{array} \\ \text { O. The solution set is } \varnothing \text {. }\end{array} \)

21) through: \( (1,-3) \), parallel to \( y=-4 x-3 \) \( \begin{array}{ll}\text { A) } y=x-4 & \text { B) } y=-x+1 \\ \text { C) } y=-4 x+1 & \text { D) } y=x+1\end{array} \)

Solve the inequality, giving its solution set in both interval and graph form. \( 8\left(\frac{1}{4} \mathrm{~b}+5\right)<8\left(\frac{1}{4} \mathrm{~b}-3\right) \) What is the solution set? Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The solution set is Type your answer in interval notation. Simplify your answer. Use integers or fractions for any numbers in the expression.) B. The solution set is \( \varnothing \).

Solve the following inequality. Give the solution set in both interval and graph forms. \( -20 \leq 4 \mathrm{x}-7 \leq 9 \) \( \begin{array}{l}\text { What is the solution set? Select the correct choice } \\ \text { below and, if necessary, fill in the answer box to } \\ \text { complete your choice. } \\ \text { A. The solution set is } \\ \text { (Simplify your answer. Use integers or } \\ \text { fractions for any numbers in the } \\ \text { expression. Type your answer in } \\ \text { interval notation.) }\end{array} \)