Answer:
make sure that sentence that comes before the colon is a complete, sentence
Step-by-step explanation:
One way to test whether you have used a colon correctly is to delete the information after the colon.
The time when the two trains reach each other is 1.25 hours
The trains are 68.75 away from the city when they reach each other.
Answer:
C. 272
Step-by-step explanation:
Since we know 85% of the students participated last year we can assume the same amount will participate this year so to find the answer you simply do the total number of students (320) multiplied by 85% or .85 to get the best guess of how many students will participate this year.
Answer:

Step-by-step explanation:
We are given that


We have to find 
To find the value of
we will multiply f(x) by g(y)

Now,



Hence,

I think it is A I believe