Answer:
the one you have selected is correct
Step-by-step explanation:
just remember when a number has absolute value bars around them it basically just makes it positive.
Answer:
The coefficient of
is 
Step-by-step explanation:
The two expressions are
and
.
The sum of the two expressions is

When we group like terms the expression will be,

When we simplify the expression will now be

The coefficient of
is the constant behind
in the expression.
The coefficient of
is therefore
.
Answer:
192 cm^3
Step-by-step explanation:
Please see attached picture for full solution.
Answer:
[-3, 3]
Step-by-step explanation:
The function/ graph is defined from -3 to 3, inclusive of those values
(2x-4)(x+5) expand with indicated multiplication...
2x^2+10x-4x-20
2x^2+6x-20 (it's the top one :P)