Answer:
The number of hours.
Step-by-step explanation:
The dependent variable is what you are mesuaring.
Answer:
area:
Perimeter: 16x+12
Step-by-step explanation:
area :
thats 
P: 4(4x+3)
thats 16x+12
Hope this helped you
<3
Red
Answer:
I thinks it's y=3x+5
Step-by-step explanation:
try to use desmos to calculate it