Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(-1, -6), B(-1,7), C(1, 7), and D(1, -6). Given these coordinates, what is the length of side AB of this rectangle?

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.