With reference to the diagram, which facts are required to conclude that m∠AED = m∠ACB?

A) AD = DB and AE = EC
B) AB = DE and AC = BC
C) AD = DB and m∠DAE = 90°
D) BD = EC and m∠DAE = 90°

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.