Answer:
The height is 0 when it "drops".
3/2x + 9 = 0
3/2x = -9
3 = -9(2x)
3 = -18x
3/-18x
Change signs, time cant be negative.
x= 6
Another interpretation; Slope is negative it is falling. This interpretation is more accurate.
-3/2x + 9 = 0
-3/2x = -9
-3 = -9(2x)
-3 = -18x
6 = x
AFTER 6 SECONDS
look ar the photo, x is 4
Answer:
<u>Answer</u><u>:</u><u> </u><u>(</u><u>a</u><u>)</u><u>. </u><u>2</u><u>9</u><u>0</u><u>°</u>

9n is the answer to this question