9. C, because subtracting a negative number "changes" the sign to +
10. C, for the same reason. The equation could be rewritten as -4.2+6.9, which equals 2.7
You add +7 to both sides and then divide by 9 to get the x alone.
Answer:
0
x
16
-5
5.5
Step-by-step explanation:
Answer:
-8 and 6
Step-by-step explanation:
he spent 8 on the book, therefore he had deduced 8 dollars, and earned 6, therefore he had increased 6 dollars
Answer:
Yes
Step-by-step explanation:
They have the same length. The length is 1.
I hope this helps!
