Answer:
(B)
Step-by-step explanation:
PRINCIPAL AMOUNT(p) = $400
RATE (r)= 250% = 2.5
INTEREST = $80
t = time (in days) = t/365
By using the formula,
r = 
2.5 = 
t = 
t = 29.2
t = 29 days (approx)
Hence option (B) is correct.
Answer:
the measure of angle x is 48
Answer: f^-1(x)= 2-4x/3
This is because the power of f is -1
I think the answer is H but I could be wrong