Let s represents the​ displacement, and let t represents the time for an object moving with rectilinear​ motion, according to the given function. Find the instantaneous velocity for the given time. s = 2f^3 - 9t^2; t=4
The instantaneous velocity is ​(simplify your​ answer.) please write clearly :)

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

In the diagram below, tan θ = sqrt 3. what is the value of m?

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.