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:
vvvvvcvv
Step-by-step explanation:
It will be 256.20 I hope I helped
8. 6m + 3n
11. 8r^3 - r^2
12. 3h^2 + 8
hope this helps !
Answer: The answer is 120
Step-by-step explanation: you add 50+70 and u will get 120