Answer:
so what to fo tell in brief
if u have time
Answer:

Step-by-step explanation:
So we know that:

To reflect across the <em>y-axis</em>, instead of x, use -x. Therefore:

Simplify:

And that's our answer :)
Answer:
31.42 m
Step-by-step explanation:
10* π= 31.415( which can round to 31.42)
21 out of 28 cookies are chocolate chip