D because the shaded region has one side and subtract by pie and substitute to get this answer.
9 divided by 1.6 should get you the aswer since you want y to be by itself you have to divide it by 1.6 in order for both of them to cancel each other out and you can't just do it to one side you have to do it the other side so 9 divided by 1.6 equals 5.625
Answer:
k=8
Step-by-step explanation:
Question says that given expression is 
Now we need to rewrite that expression in form of
.
To do that we need to simplify given problem
.
x is same as 

we can begin with inner parenthesis




Now compare that with
, we get:
k=8
Which is different value that Linda got.
Hence answer of the Linda is wrong.