Plz asap will give brainliest !

what do you predict the current will be in the absence of sunlight?

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.

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.