Answer:

Step-by-step explanation:
The value in 
The value in 
The value in 
Answer:
8:9 = eight to nine
Step-by-step explanation:
16:18 - divide each by 2 in order to simplify
= 8:9
21/56 which reduces to 3/8 ...or if u need a percent, it is 37.5%
Answer:
B = 50 & C = 130
Step-by-step explanation:
I really don't know how to explain but 180 - 50 = 130 for C and 50 is the measurement for B
Answer:
n=-4
Step-by-step explanation:
n/2+5=3
n/2=-2
n=-4