Arock breaks loose from a cliff and plunges towards the ground 400 feet below. the distance 'd' that the rock falls in 't' seconds is given by the equation d=16t^2 (d equals 16 t squared). how long does it take the rock to hit the ground? (show all work)

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense

Over the last 4 seconds, a snail has traveled 4/9 of an inch. if the snail traveled the same distance each second, how far did it travel each second?