- The angle θ lies in Quadrant I. sinθ=2/5 What is cos θ? −2/5 2/5 (−√21)/(5) (√21)/(5)?

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What does the square root of 75m^2np^4 equal? When will I ever need this in the real world? Since matter can't be created or destroyed is it possible we're basically as old as the universe? How many different autosomes do humans have? How are they labeled? If i get my ss check on februayr 18 is that januarys check or feb.? A driver drove at a speed of 42 mph for m hours. How far did the driver go? The algebraic expression 42 mph at m hours is d=? miles.?

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