Answer:
1
Step-by-step explanation:
Absolute value means take what is inside and make it positive
|5| - |-4|
5 - 4
1
Answer:
400
Step-by-step explanation:

Break the expression into group:

factor out x from 4x² - 5x : x (4x-5)
factor out 3 from 12x-15 : 3 (4x-5)

factor out common term (4x-5) :

hope this helps!
X - 9 < 0
add 9 to both sides:-
x - 9 + 9 < 9
x < 9
x - 9 is negative for all values of x less that 9.
Answer:
I just wanted to know, Is this really 6th grade math?