Answer:
Thx and to give brainliest there has to be 2 answers, and once they are there, you click on an icon witha crown to give Brainliest. Hope you pick me TwT
Step-by-step explanation:
Answer:

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

Recall the Pythagorean Identity:

So:

Substitute:

Factor. We can use the difference of two squares pattern:

Cancel. Hence:

Nicks rate is 7 yards per second.
Answer:

Step-by-step explanation:

We have

Substitute:
