I think it’s C sorry if I’m wrong
The cost depend on the number pencils, so the cost is the y and # of pencils is the x
Same as for question 7
To graph, the length depend on the time, so length is y, time is x
6. Linear
7. Not
Step-by-step explanation:
The answer is provided in the options. The answer should have been A, if the question was 3x²-27.
Let the full marks = x
Then, it would be: x*40/100 = 60
x = 6000/40
x = 150
Full marks will be 150