The "off-peak" weekly average cost of hiring a caravan in Wales is £520. In July the average cost increases to £800. Calculate the percentage increase in cost. Give tour answer to 2 significant figures

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr