Answer:
j=-10
Step-by-step explanation:
9j-10=8+2
-j=10
80% converted to a decimal is 80/100=0.8
Multiply the total with the percent 685*0.80
The answer is 540
Answer:
Step-by-step explanation:
5k+ 6k+9k=20k
20k=£60
k=3£
£15, £18, £27
believe the answer is 8 because sulfur has 6 valence electrons and when it becomes sulfide it gains two electrons making it 6+2=8.