A ball is thrown downward from the top of a 140-foot building with an initial velocity of 20 feet per second. the height of the ball h in feet after t seconds is given by the equation h equals negative 16 t squared minus 20 t plus 140. how long after the ball is thrown will it strike the ground?

other answer is correct. i had used the radius of the radius somehow. a website:

step-by-step explanation:

given that ab is divided into equal parts as

ac, cd, de, ef, fg, gh, hi, ib.

from this we find that f is the midpoint of ab.

so using mid point formula we find

f = (3,7)

similarly considering fb, we get

h = mid point of fb = ((6,6) and g, mid point of fh is

g = (9/2, 13/2)

i is mid point of hb

so i =(15/2,11/2)

image for option 4

step-by-step explanation:

i just know the internet