Fatima has four 20-dirham notes , five 100-dirham notes and three 200-dirham notes. How much money has she got?

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.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

What is the distance between (3,k+1) and (2k,k-1)