Answer:
number 1 is 5x 1/2 the others I'd not know
Answer:
X=7
Step-by-step explanation:
I am so sorry if this is not correct. I don´t know why there are 0s next to each number. I hope this helped. Again, I am sorry if this is incorrect
Answer:
-9/7
Step-by-step explanation:

For 18 x 8.7 = 156.6
For 23 x 56.1 = 1290.3
For 47 x 5.92 = 278.24
but i don't know how to explain the steps, just the answers.
but hope i helped.