Answer:
20% increase
Step-by-step explanation:
30-25=5
solve for x
(5*100)/25 = 20
Answer:
i
Step-by-step explanation:
i^ even power
i^2 = i*i = -1
i^4 = =1
So raised to an even power, it will be either 1 or negative 1
raised to an odd power it will be either i or -i