I've attached a photo of the solution below. Hope it helps!
Answer:
I think it is 20cm
Step-by-step explanation:
divide 80 by 4 =20 cm
Answer:
C
Step-by-step explanation:
The big triangle and small triangles are similar so their corresponding sides are in proportion.
x/15 = 15/9
x= 15*15/9
x=25
Given:
Find: interval notation of the given number line.
Explanation:

is the interval notation for the given number line.