Guess the name of my sister and get brainliest hint starts with s

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?