PLEASE HELP ASAP 1)What type of construction is shown?

A. A line segment congruent to a given line
segment
B. A perpendicular bisector of a line segment
C A perpendicular to a given line from a point not
on the line
D. A line parallel to a given line through a point not
on the given line

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Evaluate cos2θ for cosθ = square root of 3/2

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?