1. Subtract 4 from both sides
v - 4 = 2t
2. Divide both sides by 2
v - 4/2 = t
3. Switch sides
t = v - 4/2
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Answer:

Gradient = -3
• Parallel lines have the same gradient, therefore gradient, m is -3

• At point (0, -4)

y intercept is -4

Answer:
Question 2: Radios remaining is the dependent variables and the hours are the Independent variables
The answer is ....1.237149 x 10^18