The function y = -16t? + 486 models the height y in feet of a stone t seconds after it is dropped from the edge of a high cliff. What is the maximum height of the stone?
The maximum height of the stone is
feet

Brainliest and 20 points for correct answer!!

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Acaterpillar eats 1400\%1400% of its birth mass in one day. the caterpillar's birth mass is mm grams. which of the following expressions could represent the amount, in grams, the caterpillar eats in one day? \

If the line in the graph is shifted up two units which is the equation of the new line