Hydrogen is around 0.000053% and Helium is around <span>0.000524%</span>
Correct answer is C. (-1, 1)
Hope it helps
Answer:
4
Step-by-step explanation:
6-4+2*5=12
12/3
4
Answer:

Step-by-step explanation:
First of all, write the equation in standard form. Then identify a, b, c and fill in the values in the formula.
