A bag contains five red marbles and six blue marbles. You randomly pick a marble and then pick a second marble without returning the marbles to the bag. What is the Probability both marbles are red. Please write your answer as a fraction in 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?

What number should be added by both sides of the equation to complete the the square? x^2-10x=7

Savannah is 24 years older than ryan, while sebastian is 5 times as old as ryan. if savannah and sebastian are twins, which equation may be used to determine the age of all three people? a) 8x = 24 b) 24 + 2x = 5x c) 24 + 5x = x d) 24 + x = 5x