Answer:
Factoring
Step-by-step explanation:
(x+4)² = 15
x² + 8x + 16 = 15
x² + 8x + 1 = 0

I hope this helps you :)
The correct answer is 7.2
We can subtract 2 from 4, which is 2.
They're both in the same decimal place, so that is why they are affecting each-other.
Answer:
they're all 0
Step-by-step explanation:
N/A
Answer:
250%
Step-by-step explanation:
(2 1/2) × 100%
= 250%
= 2.5