The diagram, not drawn to scale, shows a quadrilateral ABCD. A
7.5 cm
989
B
80
3.6 cm
49
С
D
AB - 7.5cm, BC - 3.6cm, angle DAB - 989, angle DBA - 49° and angle DBC - 80°
(a) Find DB
(b) Find DC
(c) The area of triangle ABD

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?