Which is the next step in the following construction of an equilateral triangle?

a. connect a and d with a straightedge.
b. connect c and d with a straightedge.
c. connect c and e with a straightedge.
d. connect d and f with a straightedge.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?