Answer: 6mm
Step-by-step explanation: It is an equilateral triangle so all equal length so 18/3 sides equal to 6mm
Answer:
% of a weeks visitor come to the website on an average day
Step-by-step explanation:
Visitors on the website per day 
Visitor on the website in seven day 
Percent of visitor on any average to the total visitors in a week

Answer:
57.3
Step-by-step explanation:
just took the quiz
Answer:
1.5 hours
Step-by-step explanation:
80 /120= 100/x
80x=12000
12000/80=150
150 minutes- 1.5 hours