A car moves at a speed of 80 km/h from P at 0800 hours and reaches Q at 0930 hours. A lorry takes the same route from Q at 0800 hours to P at a speed of 70 km/h. At what time do both vehicles meet?

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

What does the relationship between the mean and median reveal about the shape of the data