Twenty five percent probability
Step-by-step explanation:
Standard polynomial is:

Leading co effecient is:
-20
Step-by-step explanation:
a)
135
/ \
3. 45
/ \
3. 15
/ \
3. 5
b)
250
/ \
10 .25
/\ / \
2 5. 5 5
c)
351
/ \
3. 117
/ \
3. 39
/ \
3. 13
Hope it helps :)
Answer:
8. 12 in
9. 30 ft
10. 87.92 in
Step-by-step explanation:
Answer: train A arrives first
Step-by-step explanation: