Which of these data sets is symmetrical?

a. 1, 6, 11, 11, 16, 16, 16, 21, 21, 26, 31

b. 1, 1, 11, 11, 16, 16, 16, 21, 21, 26, 31

c. 1, 6, 11, 16, 16, 16, 21, 21, 21, 26, 31

d. 1, 6, 11, 11, 11, 16, 16, 16, 21, 26, 31

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Which of the following describes how to translate the graph y = xi to obtain the graph of y = x - 11 - 12 1 unit left and 1 unit down 1 unit left and 1 unit up 1 unit right and 1 unit down 1 unit right and 1 unit up

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)