The answer is B
Hope it helps
Given:
The equation is:

To find:
The value of a.
Solution:
We have,

On simplification, we get




On comparing both sides, we get




And,




Therefore, the value of a is 2.
I could be wrong but I got 28. I devided 420 by 15
Answer: idk
Step-by-step explanation: how am i supposed to know
Answer:
Step-by-step explanation: -13, 9