(b) Rowena walks 2km at an average speed of xkm/h (i) write down an expression in terms of x for the time taken

(ii) Rowena then walks 3km at an average speed of (x-1)km/h

The total time taken to walk the 5km is 2 hours.

(a) Show that 2x^2-7x+2

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Find the rate of change for the situation. you run 7 miles in one hour and 21 miles in three hours.