Verify the pythagorean identity step by step. 1+cot^2θ=csc^2θ

Abcd is a parallelogram find the valuse of x

How do you write y-10=2 (x-8) in standard 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?