Factor family drove from arizona to malibu california to spend a week at the beach. they drove 421 miles in nine hours. what was her average speed in miles per hour

When are two distinct non vertical lines parallel

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.

Ineed to know the answer to this algebra question.