<span>5y^2 = 405
y^2 = 405/5
y^2 = 81
y = - 9 and y = 9
answer
</span><span>±9</span>
Answer:
9
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have to write the expression for the sequence of operations described in the question.
First of all, we have to divide u by 4.
Then we will get the expression of
.
Then we have to subtract 7 from the result obtained in the previous step.
Therefore, we will get the expression of
. Hence, this is the final expression. (Answer)