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 :)
Answer:
an=7n-19
(the last one)
Step-by-step explanation:
The slope is approximately 1.7x+5
Answer:
D. 3:00 p.m.
Step-by-step explanation:
d = Distance = 320 miles
s = Speed = 
Time taken is given by

40 minutes break is 
Total time taken is
.
So, the entire trip took 6 hours. 6 hours after 9 a.m. is 3 p.m.