Answer:
.173 seconds or a negataive
Step-by-step explanation:
Your formula would be
h = -16t^2 - 55t + 10
when it hits the ground h = 0
16t^2 + 55t - 10 = 0
t = (-55 ± √3665)/32 = .173 seconds or a negataive
Answer:
B
Step-by-step explanation:
it is the B because that's 2/5
C. -64x9 because you have to times the number
The answer is 248!grains I think this one I think is easy