A veterinarian asked each of her 18 patrons if they have a dog. She also asked each patron if they have a cat. The Venn diagram below shows the data she collected

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.