Answer:
14
Step-by-step explanation:
or 16
How to solve this: (in case you need it)
4n-18=52
4n-18+18=52+18
4n=70
4n/4=70/4
n=35/2
Answer:
a² + b²
Step-by-step explanation:
(a + b)² - 2ab ← expand parenthesis using FOIL
= a² + 2ab + b² - 2ab ← collect like terms
= a² + b²
Answer:
396°
Step-by-step explanation:
Difference = 357 -(-39) = 357+38 = 396°
= 1/2 ( x + 5 ) ( x + 4 )