Is the relation shown below a function? Use the graph below to justify your answer. (0, 3), (1, 4), (2, 3), (3, 0), (5, 4)

For an experiment, a penny is tossed. at the same time, a spinner with 8 congruent sections numbered 1–8 is spun. how many possible outcomes are there for the experiment?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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?