Answer:

Step-by-step explanation:
the answer is A
A.) 2k-7
B.)7t+10 I’m not 100% sure but I suck at math and I have to answer questions so sorry if it’s wrong but good luck and try ur best <3
A piece of wood 10 yards long
and
A piece of wood 5 feet long
He has two pieces of wood. How much does he have in all?
5+10 = 15
15 feet of wood
Answer:
b - 9 = 2 I believe would be it
The probability that exactly 1 train will pass Mary's house is 0.00889.
According to the given question.
On average, 18 trains pass by Mary's house daily i.e. in 24 hours.
As, we know that "Probability can be defined as the ratio of the number of favorable outcomes to the total number of outcomes of an event".
Therefore,
The probability that exactly one train will pass Mary's house in a 3 hour period
= 



= 18/2024
= 0.00889
Hence, the probability that exactly 1 train will pass Mary's house is 0.00889.
Find out more information about probability here:
brainly.com/question/13098829
#SPJ4