Answer:
30 times
Step-by-step explanation:
There's a 50% chance that they will get heads.
60 divided by 2 is 30
50% of 60 is 30
Answer:
A= 7
B= 154
Step-by-step explanation:
A: the radius is half of the diameter
B: pie*radius to the second power
Answer:
,
and 
Step-by-step explanation:
The vector equation of the line is:


The parametric equations of the line are:
and 