For the first one number 1,2 and 3 are prime cause it can only be times 1, and 4 is a composite because it is not prime it can be times not only by 1 but by 2 two do you understand it more now or do you need help still
I'm pretty sure y is 25.5, since you multiply 4 by 4.25 to get 17, so 6 x 4.25 is 25.5
Answer:
Final answer is A.
.
Step-by-step explanation:
Given expression is
.


We can factor that by splitting middle term into two parts then do grouping as shown below:



Which correctly matches with choice A.
.
Hence final answer is A.
.
Answer:
1 hour
Step-by-step explanation:
3 hours subtract 2 hours