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i need an obstacle can be a person or trait of someone that could get in the way of graduating.

: )

A trait of a person could be Procrastination.

Perhaps this person procrastinates on getting schoolwork done so turns in assignments late and loses points. Perhaps he or she procrastinates studying for tests so fails. Perhaps this person procrastinates discussing ways to improve the grade with the teacher so does not raise the grade. All of these would lead to failing a class and thus not graduating.

this is the answer , p = 1 + (1/10)x

step-by-step explanation:

we have,

at sea level pressure is 1 atmosphere (i.e at x =0, p0=1 atmosphere)

at depth 23 meters , pressure = 3.3 atmosphere

since the pressure increases at constant rate as the depth increases, so we can write a relation as:

p =p0 +   kx   , where p is the pressure  , p0 is the initial pressure, x is the depth and k is constant rate of increasing.

to find constant rate k, plug p = 3.3 , p0 = 1 and x= 23 meters

we get,

  3.3 = 1 + k * 23

k = 2.3 / 23   = 1/10

so we can write the function formula as:   p = 1 + (1/10)x