Answer:
32.13
Step-by-step explanation:
15.3= c/2.1
c= 15.3* 2.1
c= 32.13
Answer:
He's correct.
Step-by-step explanation:
As long as there is no change in sign of the variables.

tan = (5/13)/(12/13) = 5/13 * 13/12 = 5/12
I would say 2.5 because that would be exactly in the middle
Answer:
Yes.
Step-by-step explanation:
They are equivalent because if you divide 19 by 8, the result is 2.375.