Question
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Tutor-Verified Answer
Answer
a)
b)
c)
Solution

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Let’s break these expressions down step by step!
For part a:
First, solve .
Next, .
Then, and multiply by 3 to get
.
Thus, we have .
Final answer: .
First, solve
Next,
Then,
Thus, we have
Final answer:
For part b:
Start with , then
, so
and divide by -2 to get
.
Next, and
, so
.
Finally, add .
Final answer: .
Start with
Next,
Finally, add
Final answer:
For part c:
Calculate , so we have
.
Now, is approximately
.
Then compute and since
, we do
.
Final answer: approximately .
Calculate
Now,
Then compute
Final answer: approximately