Which property of addition is shown below? If x = 1 + 2i and y = –1 – 2i, then x + y = 0. commutative property identity property associative property inverse property

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?