Answer:
you just have to do it yourself
Answer:
I think it might be 14.28.
Step-by-step explanation:
I used a triangle calculator "cossincalc.com"
Answer:
49646
Step-by-step explanation:
Answer:
504 combos
Step-by-step explanation:
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