сторони рівнобедриного трикутника ABC продовжено на рівні відрізки AK, BL і CM. Доведіть, що трикутник KLM-рівносторонній​

1foot = 12 inches; 1 yard = 3 feet

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.