B. is the only one we know for sure. We know that when we put in -2 we get exactly one answer or output.
Answer:
3
Step-by-step explanation:
#4 .
x + 8 - 8 = 7 - 8
It's "Subtraction property of equality"
It's correct
Answer:
10
Step-by-step explanation:
Answer:
25 m of ribbon
Step-by-step explanation:
12 / 0.48 = 25