Answer:
ok so the answer is 13
Step-by-step explanation:
to solve you..
PEMDAS
PLEASE EXUSE MY DEAR AUNT SALLY
1-(-8)-12/-3
1-(-8)+4
1+8+4
9+4
13
!
HOPE THIS HELPED YA
B
380
171:45=3,8
3,8*100=380
X=6 because 2*6=12 and 12+4=16
60ft
h x 20 = 120
h=120/20
h=60