Step-by-step explanation:
24•3= 72 72/4=18 each side of the square is 18 inches
Answer:
504 combos
Cannot use digits twice and last is '7'
9 digits for first place choice
8 digits for second place
7 digits for third place
only '7' for fourth place 9 x 8 x7 = 504 combos
A is your answer
A
hmmmmmmmm......... is it 4?