The answer is a. If there is an i in the equation, then that means “i” is imaginary.
Answer:
i think it is the 2nd one and the 5th one.
Step-by-step explanation:
hope this helped!
p.s it would be cool if you gave me brainliest
Answer:
114.31 nautical miles per day
Step-by-step explanation:
Use formula

where S is the distance, t is time and v is rate.
If S=11431 nautical miles and t=100 days, then

Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.