Answer:
23
Step-by-step explanation:
Raise 3 to the power of 3
27 - 4
Subtract 4 from 27
23
Hope this was correct
Answer:
see explanation
Step-by-step explanation:
(x - 4)² = 5 ( take square root of both sides )
x - 4 = ±
( add 4 to both sides )
x = 4 ± 
that is
x = 4 -
, x = 4 + 
Maybe from the equation of a line from y=mx+c
Where c ( intercept) is -12