<span>z=5-2i
</span><span>|z| = [ (5^2 + (-2)^2) ] ^ 0.5
= ( 25+4) ^ 0.5
= 29^0.5 </span>
Answer:
Oliver completed his training work in 50.25 hours
Step-by-step explanation:
we know that


we have

<u><em>Convert days to hours</em></u>

<u><em>Convert minutes to hour</em></u>

so

therefore
Oliver completed his training work in 50.25 hours
Answer:
The right answer is letter D. (2,3,4)
Unit price is the cost of a single ticket.
To find the unit price, divide the total cost by the number of tickets:
20.55 / 3 = $6.85 each.