In the equation a = (Vf – Vi)/t, Vf stands for .

final velocity

Step-by-step explanation:

Acceleration is equal to the change in velocity over the change in time. The change in velocity is equal to the final velocity (Vf) minus the initial velocity (Vi).

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c