I believe it is 2 but I am not sure
Answer: 2d, 7, and 5f
Step-by-step explanation: Each part of the equation that is separated by a + or - is considered a "term."
Answer:

Step-by-step explanation:
The question is not properly formatted. However, the integral of
is as follows:
<h3>
</h3>

Remove constant 7 out of the integrand

Multiply by 1

Express 1 as: 

Expand

Let

Differentiate

Make
the subject

So, we have:

Cancel out 

Integrate

Recall that: 

Answer:
Bottom right
Step-by-step explanation:
All angles different, and all angles are smaller than 90 degrees