Step-by-step explanation:

Answer:
80 points
Step-by-step explanation:
400 x 0.20% = 80
25% is your answer........
Well, $920 multiplied by .15 would equal 138 and
since 138 divided by 138 would equal 920. 15% of his income aka $138 would go towards his taxes.
Hope this helped!
have a great day! (:
Answer:
Step-by-step explanation:
lets say in the shown triangle x=165
so speed 
and 
Also since distance = speed* time
time = pi minutes = pi/60 seconds
y = 
y = 
Now using the pythagorean :

<u>derivate the equation so we get :</u>


m/s
So Rate of change = <u><em>25.387 m/s</em></u>