Answer:
2x² = -8
x² = -4
The answer is no real solutions (x ∉ R) because a perfect square cannot be negative.
Answer:
3. solid , liquid
4. respiratory
I only know these two answers and I'm not sure if it's right
1st week - Lost 3 pounds = +3
2nd week - Gained 1 pound = -1
3+13 = + 22
So 22+3 = 25 25-1 = 24
So Tina lost 24 pounds in 13 weeks.
Answer:

Step-by-step explanation:

Distribute 2 through the parentheses


Hope I helped!
Best regards! :D
Answer:
The Answer is B.
Step-by-step explanation:
I got it right on my test
For further evidence here is a picture of the answer