Answer:
7
Step-by-step explanation:
34-6=28
28/4=7
c=7
Answer: 
Step-by-step explanation:
The area of a square is 
Substituting d for x, you get 1/2x^2
Hope this helps <3
I believe the first and last one are polynomials. Usually they start with the highest exponent first and then work their way down.

part B)
the slope is always in a linear equation, the coefficient of the independent variable, in this case namely "35".
35 or 35/1 dollars/day means
for every passing day the car is rented out, the charge is $35, so if you rent the car "d" days, you'll be charged 35d.
Answer:
a and c
Step-by-step explanation:
a: when you divide 12:14 by 2 itll give you half of each number. that equals 6:7
c: when you multiply 12:14 by 2 itll give you twice the amount which is 24:28