Answer:
x = 6
Step-by-step explanation:
An angle bisector divides the segments on either side of it so they are proportional. That is ...
x/12 = 5/10
x = 12(5/10) = 6 . . . . . multiply by 12
Answer:
3
Step-by-step explanation:
9 x (N + 2) = 45
9N + 18 = 45
9N = 27
N = 3
Answer:
46
Step-by-step explanation:
Divide 69 by 3
69 / 3 = 23
Take it times two.
23 x 2 = 46
Proportion

Cross multiply and solve for x.
It's already in the simplest form.
Answer:
brighter
Step-by-step explanation:
tiana ratio = 7:5
tyler ratio = 5:7
compare 7:5 and 5:7
cross multiply =
tiana tyler
49 25 t
herefore tiana is brighter