8-2i is their total score. You can't combine the imaginary numbers and real numbers.
Answer:

Step-by-step explanation:
We want to simplify:

To simplify this, we need to write the negative index as positive.
So we use the property,

When we apply this property, we get:

Therefore the fourth option is correct.
Hi,
As of right now it is not likely for him to get a B. This is because his average is 63.6% so unless he gets better scores, he's stuck with an F.
A.
i did this test already trust me
Answer:
f= 5k-2/-k+2
Step-by-step explanation: