Answer:
= 
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that

= 
= 
= 
= 
The answer to this question is b
Please see attached image for the answer
Range: all real numbers
Answer:
-4
Step-by-step explanation:
t2 - t1
-13 - (-9)
-13 + 9
= -4
Hmm, this answer is mathematically incorrect. If the question has no errors, 38 can go into 7 0 times, it can't because its bigger than 7.
However, if it were meant to be the other way round, how many times does 7 go into 38, the answer would be 5.