A square has all of the same sides, so just do 12x12 which is 144
Answer:
x²+8x+16
Step-by-step explanation:
f(x) = (x+4)²
= (x+4)(x+4)
= x² + 4x + 4x + 16
= x² + 8x + 16
Answer:
The answer D) because you add the same variable's which leave you with 2x-4
Step-by-step explanation:
first do positive 7-4-1=2. after that do the variables which get you 2x+1x+1x=4x
Answer:
A consumer pays $5 more per camera.
Step-by-step explanation:
Let the cost of manufacture of disposable camera in dollars be 
Government taxes imposed on camera = $1.00 per camera
Cost of camera after taxes in dollars 
Wholesale prices raised by manufacturer = $2.00 per camera
Wholesale price of camera in dollars per camera 
Retail prices raised raised by retailer = $2.00 per camera
Retail price of camera in dollars per camera 
Difference in prices of manufacture and retail price per camera in dollars
⇒ 
⇒ 
Thus, a consumer pays $5 more per camera.
5n-2 is the expression that represents that statement.