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

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )