One 12' x 12' cover will cover 144 square feet, so just one but you might have to cut it.
549!
14x14=156 sq ft 12x12=1sq ft assuming no waste (and there always waste) = 156 tiles are needed...(always buy an extra 10-15% fr wastage/broken ones etc )
It depends on the dimension used for measuring the tiles. Whether they are 12 in x 12 in or 12 cm x 12 cm will make a huge difference to the number of tiles required!
Assuming it's a 4x4 wall, 64 tiles
48 12"x12" tiles for a 7'x7' patio.
1540
80 if the tiles are 12x12 - 12x12 is one square foot covering 80 you would need 80 tiles
If the tiles are 12 inches square... 8352 tiles ! However if they're 12 feet square... 58 tiles
256 tiles
100
5.3 obviosly
68
14
120
650
168
144