NEED ALGEBRA HELP, WILL MARK AS BRAINLIEST

Answer:
The answer to your question is:
Step-by-step explanation:
Data
a)
C (0, 0)
D (7, 12)
m = (12 - 0) / (7 - 0)
m = 12/7
Slope = 12/7
b)
(y - y1) = m(x - x1)
(y - 12) = 12/7 (x - 7)
y - 12 = 12/7 x - 1
y = 12/7 x - 1 + 12
y = 12/7 x + 11
c)
Domain [0, 7]
Range [0, 12]