C = cost on individual hat, "18 = 3c" would be the equation to describe how much each hat costs. Each hat would cost $6 each.
No they wouldn’t because height dosent work at a steady pace
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:
I would maybe be able to help if it wasn't so blurry
Answer:45cm
Explanation: If the whole paper is 12 by 15 you have to divide them both by 2!
12 divide by 2=6
15 divide by 2=7.5
Then you have to multiply them together to find the area.
6x7.5=45
So therefore the answer is 45cm.