Use the proof diagram to complete the question. state the missing reason in this proof for the letter given.
c.

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Which is f(5) for the function –2x2 + 2x - 3?