Additive indentity

n = 1
a variable is always a number itself remember 7+n
5+2 = 7
A), e), and g) are the correct answers
Answer:
5,1
Step-by-step explanation:
x= tan27⁰ x 10 ≈ 5,1
.....
The last one because the other ones only go to the positive side and not the negative too since the cube root