The equation h(t)= -16t2 + 32t +9
en D
gives the height of a rock, h in feet above the ground, at t seconds after the rock is thrown upward.
After how many seconds will the rock hit the ground?
(Help ASAP!)

idk i would have to be there to under stand it

step-by-step explanation:

idk i would have to be there to under stand it

d

step-by-step explanation:

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

answer: when you burn wood, the carbon reacts with the oxygen in the air to create ash and smoke. that is a permanent change you cannot undo that.

step-by-step explanation: