I think it is 16 I am not sure because I did not do it I am just guessing
Answer:
,
and 
Step-by-step explanation:
The vector equation of the line is:


The parametric equations of the line are:
and 
Answer:
C
Step-by-step explanation:
Mean is the average. To find mean, add all the numbers in a data set, then divide by the number of values.
Example: 1,2,3,4,5
Mean: 1+2+3+4+5= 15
Number of values: 5
15/5 = 3
Mean is 3
Answer:
septagon
Step-by-step explanation:
septagon is the only regular polygon that can make a tessellation
hope it helps .