Answer:
80 is the answer
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
From pt to pt is goes up 2 and 1 to the right
2/1=2
Answer:
Step-by-step explanation:
it's 7/4.
I don’t know part a but part b is -87 feet
Answer: Option 'a' is correct.
Step-by-step explanation:
Since we have given that
Probability that he jumps a hurdle = 
Total number of hurdles = 10
Probability that he knocks down = 
So, Probability (knocks down all hurdles ) is given by

Hence, Option 'a' is correct.