2(13) = 26
-3(6) = -18
26 - 18
=8
so the answer is A
Answer:
The discount percentage has been given: ($ 65 / $ 79) x 100 = 82.27%
So the discount percentage is: 100% -82.27% = 17.72%
Step-by-step explanation:
Answer: 5 1/4
Step-by-step explanation:
hope this helps!
Answer:
320 meters
Step-by-step explanation:
x² + 200x = 166400
It's a square, area should be side²
x² + 2(x)(100) = 166400
x² + 2(x)(100) + 100² = 166400 + 100²
(x + 100)² = 176400
x + 100 = 420
Since these are sides, we just consider the positive square root
x + 100 = 420
x = 320m
