Point e is on line segment df. given de=3 and df=15, determine the length of ef

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.