Answer:
N is equal to 5
Explanation:
N is equal to 5 because 7 subtracted from 12 and 8 subtracted 13 are equal 5.
a+b = 4
Step-by-step explanation:
3(a + b)^2 = 81
(a + b)^2 = 27
a + b = sq rt 27
a + b = ·
a + b = 3
LOL HAHAHAHAHA
answer: 2