Complete the sentence. 15 centimeters 30 centimeters per second 2 hertz Ell creates a wave in the spring toy. The wave has a frequency of (cycles per second), a wavelength of , and a wave speed of

A side of the triangle below has been extended to form an exterior angle of \( 70^{\circ} \). Find the value of \( x \).

The widta of a rectangle is \( x \) inches less taen its lengta. If The perimeter measures 72 inches, The rectangle.

Solve the system of equations by the elimination method. \[ \begin{aligned} 3 x-3 y=4 \\ 5 x-2 y=4\end{aligned} \]

\( \int \frac { x + \sin ( x ) } { 1 + \cos ( x ) } d x = \)

Mide la dispersión de una \( \quad * 1 \) punto distribución de datos. Entre más dispersa está una distribución de datos, más grande es. Es interesante que este dato no puede ser negativo.