I need pls show your work also there is a large reward ill also mark brainliest to who evers first

Answer:
1. (12 x 4) - 9
2. the answer is 1.0 or 1
3. 3/18 + 6/18
4a. the 3 = ones
4b. the 7 = tens
4c. the 2 = hundreds
4d. the 9 = thousands
5. WF: four hundred twenty-seven and nine hundred sixty-eight thousandths.
EF: 400 + 20 + 7 + 0.900 + 0.060 + 0.008
Step-by-step explanation:
1. The product = times
decreased = subtraction
2. look at the first pic for the graph.
3. 1/6 = 3/18
1/3 = 6/18
(look at 2nd pic for the graph.)
4. i dont know how to explain that part.
5. i dont know how to explain that part.
Answer:
Step-by-step explanation:
I will answer 4 .
1. 1
2. 100
3. 10
4. 1000