In a Mathematics test, there are 10 multiple choice questions 2 marks will be awarded for each correct answer, while 1 mark will be deducted for each wrong answer. If Peter answers all the questions in the test and his test result is 8 marks, how many correct answers has he got in the test?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

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.