What is a triangular prism? Guy please answer this question it's me ?

For what value of jn is mn parallel to kl

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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.