Point $O$ is the center of the circle below, and the measure of $\angle OAB$ is $30^{\circ}$. If the length of $\overline{OC}$ is 18, what is the length of arc $\overset{\large\frown}{AB}$? 

Which equation shows the relationship between the side lengths of the given triangle?

The circle below has center $O$, the length of arc $\overset{\large\frown}{ADC}$ is $5\pi$, and $x=100$. What is the length of the arc $\overset{\large\frown}{ABC}$

In the figure, line $m$ is parallel to line $n$. What is the value of $w$?

The figure shown is a right circular cylinder with a radius of $r$ and height of $h$. A second right circular cylinder (not shown) has a volume that is $392$ times as large as the volume of the cylinder shown. Which of the following could represent the radius $R$, in terms of $r$, and the height $H$, in terms of $h$, of the second cylinder? 

In the figure below, what is the value of $tan(A)$?

In the figure below, $\overline{AF}$, $\overline{BE}$, and $\overline{CD}$ are parallel. Points $B$ and $E$ lie on $\overline{AC}$ and $\overline{FD}$, respectively. If $AB=9$, $BC=18.5$ , and $FE=8.5$ , what is the length of $\overline{ED}$, to the nearest tenth?

In the figure below, lines $l$ and $m$ are parallel, $y=20$, and $z=60$. What is the value of $x$? 

Right triangles $PQR$ and $STU$ are similar, where $P$ corresponds to $S$. If the measure of angle $Q$ is $18^{\circ}$, what is the measure of angle $S$?

In the given triangle, $AB=AC$ and $\angle ABC$ has a measure of $67^{\circ}$. What is the value of $x$?

Which of the following is the graph of the equation $y=2x-5$ in the $xy$-plane?

The graph shows the linear relationship between $x$ and $y$. Which table gives three values of $x$ and their corresponding values of $y$ for this relationship? 

If a new graph of three linear equations is created using the system of equations shown and the equation $x+4y=-16$, how many solutions $(x,y)$ will the resulting system of three equations have?

What is the equation of the line shown in the $xy$-plane below?

The shaded region shown represents the solutions to which inequality?

What is the $y$-intercept of the line graphed?

Oxygen gas is placed inside a tank with a constant volume. The graph shows the estimated temperature $y$, in kelvins, of the oxygen gas when its pressure is $x$ atmospheres.

What is the estimated temperature, in kelvins, of the oxygen gas when its pressure is 6 atmospheres?

The graph represents the total charge, in dollars, by an electrician for $\bm{x}$ hours of work. The electrician charges are onetime fee plus an hourly rate. What is the best interpretation of the slope of the graph?

Which of the following systems of equations has the same solution as the system of equations graphed below?

The point with coordinates $(d,4)$ lies on the line shown. What is the value of $d$?