Answer:
6 sec
Step-by-step explanation:
when ball return to the ground, h is 0
0=at^2 +bt
0 = -4.9t^2+29.4t
factor: -4.9 times -6 is 29.4
0 = -4.9t(t-6)
set each equation to 0
-4.9t = 0 or t-6=0
t = 0 or t= 6
it's 6 seconds
Answer b - Line BC... The adjacent line is the one directly across from the letter in question.
Answer:
The Answer is 18 and 774 because 18 + 43 = 61 and 43 X 18 = 774
