Which one of the following represents the monetary value of \( x \) 2-dollar bills? \( \begin{array}{ll}\text { A. } \frac{x}{2} \text { dollars } & \text { B. } 2+x \text { dollars } \\ \text { C. } \frac{2}{x} \text { dollars } & \text { D. } 2 x \text { dollars }\end{array} \)

Solve the system of quadratic inequalities: \[ \begin{array}{l}y<x^{2}-4 \\ y>-x^{2}+2\end{array} \]

Solve the system of quadratic inequalities: \[ y>x^{2}-1 \]

Which expression is equivalent to \(( x^ { \frac { 3} { 7} } ) ^ { 2} \) ?A. \(x^ { \frac { 6} { 14} } \)B. \(x^ { \frac { 17} { 7} } \)C. \(x^ { \frac { 6} { 7} } \)D. \(x^ { \frac { 5} { 7} } \)

The ratio of Ben's age to Ali's age is \( 3=2 \). Their total age is 140 years now What is Alils age?

MP) Use Structure A plumber charges a customer a one-time service fee of \( \$ 79, \$ 62 \) per hour for labor, and a surcharge of \( \$ 15 \) per hour due to the call being an emergency. Write an expression to represent the total charges for the plumber in two different ways.