The best and most correct answer among the choices provided by your question is the fourth choice.
<span>The rays extend infinitely and the angle is made by the rays which have a common endpoint.</span>
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Area = (x+1) * (x+1)
Area = x^2 +2x + 1
2. |x|=-7
-x=-7. x=-7
x=7. x=-7
Answer: 21
Step-by-step explanation: This is a combination of 7 objects taken 5 at a time
nCr = n! / r! * (n - r)!
7C5 = 7! / (5! (7-5)!)
= 7! /(5! 2!)
= (7*6*5*4*3*2*1)
-----------------------
5*4*3*2*1 * 2*1
Canceling
= 7*6/ (2*1)
= 21
