d) A rectangular vessel can hold 40 litres of milk when it is full. If the area ofthe base of the vessel is 2000 cm, find the height of the vessel.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.