Not sure i remember this but i think radius is like half of the diameter. it’s a line from the center, to a side of the circle. in this situation, line RO would be representing the radius.
answer: D, line RO
hope this helps :)
Hey there!
Distance formula:
d = 
Plug in variables:
d = 
Simplify.
d = 
d = 
The distance between the two points is units.
Hope this helps!
Add 3 on both sides of the equation
3x=0
divide 3 on both sides of the equation
x=0
Answer:
The answer is 600 minutes (10 hours)
Step-by-step explanation:
20 minutes = 1 student.
30 students x 20 = 600 minutes
600mins / 60 (because an hour has 60 mins) = 10 hours.
