Answer:
The first three are functions
Step-by-step explanation:
4th one fails the Vertical line test.
A= (a+b)/2*h
A=(12+15)/2*5
A=(27/2)*5
A=13.5*5
A=67.5in
Answer:
Step-by-step explanation:
Hello!
(5x+4) /( (x-4)( x+2))
(5x+4)/ (x² +2x -4x -8)=
(5x+4) /( x²-2x -8)
Answer:A
Step-by-step explanation:
Taliban
12x-27=2x+12
10x-27=12
10x=39
x=3.9