Which of the following are independent variables?
A scientists measure how tall a plant grows
after feeding it fertilizer
The amount of dog food given to puppies is
decreased by a vet to see if they will lose
weight.
A scientist changes the amount of sunlight a
plant receives in an experiment to see how
they grow in different levels of light
The vet measures the weight of the puppies
after one week.

d

explanation:

the higher the instrument the better

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i think its y= -4x-14

the answer is c on e2020, bud.