Answer:
B
Step-by-step explanation:
recall that any radical expression 
has real solutions only if A is not negative. (otherwise you will have imaginary solutions)
hence in this case we have
,
for real solutions, 8x must be ≥ 0,
since 8 is a positive number, x must be ≥ 0 (answer)
138 dolllars multiply 115 and .20 and add your answer with the original amount
Answer:
No.
Here's the break why it is not proportional...
The proportion breaks near the end because the multipliers no longer match.
