Answer:
4
Step-by-step explanation:
(21 + 5) : 2 = 13
(7 + 9) : 2 = 8
(36 + 2) : 2 = 19
(1 + 7) : 2 = 4
(7+2-3-8)=0
N=7
Brainliest pts
Hope this helps
Answer:
(n+5)² - (n+3)² =
= (n² + 10n + 25) - (n² + 6n + 9)
= n² + 10n + 25 - n² - 6n - 9
= 4n + 16
= 4(n + 4) ⋮ 4
Answer:
Tricky question, but it would be a better deal if he wants extra ribbon, then he could but the 180 inch and get more for only $3.99. But if he wants to have the exact 8 feet ribbon, it would only be $3.12.
Step-by-step explanation:
