Which of the following shows why rectangle wxyz is congruent to rectangle w'x'y'z'?

a. the rectangle was rotated 180° clockwise about the origin and shifted 3 units in the x direction.
b. the rectangle was rotated 90° clockwise about the origin and shifted 3 units in the x direction.
c. the rectangle was rotated 180° clockwise about the origin and shifted 3 units in the y direction.
d. the rectangle was rotated 90° clockwise about the origin and shifted 3 units in the y direction.

If an athlete can bike 6 miles in 25 minutes, how many miles will he bike in an hour and half if he continues to bike at the same rate?

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2