Determine whether the pairs of
segments a and b, c
and d are
proportional if their
lengths are:
a) a = 0.9 cm, b = 7.2
cm, c = 4.5 cm, d =
36 cm.

Please I need your help, this is for a test

Which graph shows a function with a range of all real numbers greater than or equal to -1

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

X+y ≥20 x≤2y a) (0,22) b) (7,11) c) ( 15,6) d) (10,10) e) (12,5) f) (8,16)