Answer:
-3x+30
Step-by-step explanation:

Expand 

Simplify 

9/50 is close to 10/50 or 1/5 or 0.2
7/15 is close to 7/14 or 1/2 or 0.5
0.2 + 0.5 = 0.7
0.7 is closer to 0.5 than 1
The answer would be B
The first one- the rest don’t add up
Answer:i can's see it very well sorry kid
12
Step-by-step explanation:i dont know