In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?
A
RRR
CCCCC
HHHHHHH
There is one choice for row 1
Three choices for row 2
5 choices for row 3
7 choices for row 4
1 x 3 x 5 x 7 = 105 ways
