Answer:
120
Step-by-step explanation:
All the angles should add up to equal 180 so,
28 + 32 + ? = 180
60 + ? = 180
180 - 60 = 120
Answer:
<h2>
45</h2>
Step-by-step explanation:

So, if the common ratio is 5 the next term is always 5 times the previous term.
<h3>9·5 = 45</h3>
Answer:
A. It would become a different atom.
C. Its charge would increase by 1
Step-by-step explanation:
Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. So, adding or removing protons from the nucleus changes what element that atom is! For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium.
Answer:
Step-by-step explanation:
Answer:
b=30
a=120
c=50 these is how I figure it out