A large explosion causes wood and metal debris to rise vertically into the air with an initial velocity of 80 feet per second. The function h(t) = 80t - 16t2
gives the height of the falling debris above the ground, in feet, t seconds after the explosion.
A) Use the given function to find the height of the debris 4 seconds after the explosion:
After 4 seconds, the height is
feet.
B) How many seconds after the explosion will the debris hit the ground?

seconds.
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< 6 cm to > 26 cm i believe

step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

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step-by-step explanation:

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