The answer is b because 95 confidence is interval for the mean lifespan
I have attached the graph. I did this using desmos.com. Try it out sometime. I hope that helps.
The answer should be 26.1 meters.
Answer: x = -3
Step-by-step explanation:
2y + x = -15
y = 2x
2y = 2(2x) = 4x
4x + x = -15
5x = -15
x = -3
It’s 38 :) I hope it helps