Answer:
Step-by-step explanation
just plug in 0 for z so it would change to -2<6
It is true that 3=4 times 3\4 because 4 times 3 equals 12 while 12 divided by 4 equals 3.
3=3 is true.
I don't know what the graft is
Answer:

Step-by-step explanation:

reduced
transformed the expression to make it easier
add
reduce