Answer:
60
Step-by-step explanation:




Answer:
C. 16 cm
Step-by-step explanation:
Top side: 2 + 4 = 6
Right side: 1 + 1 = 2
Bottom: 2 + 4 = 6
Left side: 1 + 1 = 2
6+6+2+2 = 16 cm.
The answer to c is 0 and the answer to d is undefined
18.5-0.5= 18
18/3= 6
So r=6
Answer:1/50 and 50
Step-by-step explanation:hrs/km=8/400=1/50
km/hrs=400/8=50