Diagram NOT
accurately drawn
ABCD is a trapezium.
AB is parallel to DC.
AB = 12a
AD = 3b
DC = 18a
E is the point on the diagonal DB such that DE = DB.
a) Find, in terms of a and b
i. DE
DE
AE

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

What is the sum of these mixed numbers 2 1/8 + 4 3/8

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?