I think 0 represents the ground.
we are given
trinomial as

now, we can factor it



so, option-C and D ..............Answer
Answer:
Step-by-step explanation:
hello :
(2x + 9)(3-z) = 0 means : 2x+9=0 or 3-z=0
x= -9/2 or z=3
Answer:
-15/8 or -1 7/8, 1.875
Step-by-step explanation:
When it hits the ground h = 0 so we have
-16t^2 + 36t + 4 = 0
t = 2.36 seconds to nearest hundredth.