In the xy-plane above, line `l` is parallel to line k. What is the value of p ?

In the xy-plane above, line p is perpendicular to line q. What is the value of k?

In the xy - plane above, the area of triangle OAB is 32. What is the value of b?

If the line y+2x+3=0 is parallel to the line 2y-px-4=0 , what is the value of p ?

In the figure above, if line segment AB is parallel to line segment CD, what is the value of y?

In order to get , line l parallel to line m, what should be the value of x ? Justify .

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

In the figure given above, p and q are parallel lines. What are the values of the angles x, y and z?

Line p contains the points (-1, 8) and (9, k) . If line p is parallel to line q whose equation of 3x+4y=7 . What is the value of k?

In the xy-plane above, the circle has center (h, k) and radius 10. What is the value of k ?