Answer:

Step-by-step explanation: Use pascal triangle or foil method
Circumference=2(pi)r
C=2(pi)(6.8)
C=2(3.14)(6.8)
C=42.7
Either use the pi button on your calculator or use 3.14
Answer:
46
Explanation:
root of 2116
=46×46
Therefore 46 columns and 46 rows
Answer:
3.295556e+16
Step-by-step explanation:
It was kinda tuff but i managed
Total students: 5 + 6 + 2 = 13
Total students fluent or a beginner: 5 + 2 = 7
Probability of picking 1 fluent or beginner = total of fluent or beginner over total students:
7/13