Answer:
2.8 is correct
Step-by-step explanation:
4.0
- 1.2
The 0 becomes 10
10 - 2 = 8
The 4 becomes 3
3 - 1 =2
2.8
The answer to question 5 is -3.
The answer to question 9 is -5.<span>
</span>The answer to question 7 is 28x^3y^4.
You have 3hours 25seconds left to assemble the machine.
ITS IS 8x-7y-5z=15 I THINK'