40 flights, you could use rates in this situation.
15 min*4=60 min=1 hr
10:15 multiply each side by 4
40 flights:60 minutes
6.25 because 2.5+2.5= 5 and then half of 2.5 is 1.25 so 6.25
Answer:

Step-by-step explanation:
remember that,

given that,
thus substitute:

divide both sides by 4/3π:

cubic root both sides:

and we are done!
Based on the positions of angles AFC and EFC, the relationship between them is a Complimentary angle.
<h3>How are AFC and EFC related?</h3>
Angles AFC and EFC are complimentary angles because complimentary angles are angles that add up to 90 degrees.
Looking at the shape, Line FC divides the right angle to create angles AFC and EFC so when these are added together, they equal 90 degrees.
In conclusion, angles AFC and EFC are complimentary.
Find out more on complimentary angles at brainly.com/question/20728641.
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The answer is c because if head appears and the spinner is spun with 1 - 4 on it then you can get either h1, h2, h3 or h4 and if tales appears and another coin is tossed you can get either th or tt