(DESMOS) A stone is thrown skyward from the top of a building. The distance in ft between the stone and the ground in t seconds is given by the function d = -16t^2 - 4t + 442. How long after the stone is thrown is it 430 ft from the ground?

But how long after it was thrown does it hit the ground?

Step-by-step explanation:

I need an answer to the second question

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation:

m∠a is 90°

m∠b is 40°