Which graph shows acceleration?
Position (m)
Time (s)
Time (s)
Time (s)

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola