At a rally attended by 520 people,30% were fantes 25% nzema,20% gas and the rest gonjas. I)how many gonjas were at the rally. ii) how many more fantes than nzema were at the rally. III) draw a piechart to illustrate the information.

What is the value of y? round to the nearest tenth

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

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.