Permutation
Step-by-step explanation:
- Permutation is an example of the mathematics in which item are arranged in different way.
- For example ABC, ACB, BCA, CBA, CAB, BAC etc.
- The order of an arrangement are different in each alphabet.
- The product of number also be defined as in the form of n to 1
- for example : 5*4*3*2*1 = 120
Learn more: permutation
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A is your answer. Parallel lines never intersect. They both run the same direction, the same distance from each other.
_________________________
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are parallel lines
Answer:
the answer would be -13n-23
Step-by-step explanation:
first you want to distribute the brackets
-7(2+n) = -14-7n
+(-9-6n)
-9-6n
-14-7n-9-6n
combine the n value with an n value and an integer that doesn't have an n value
-7n-6n-14-9
= -13n-23
$10 because 2 and 3 add together and subtract 15 equals 10
Answer = 0
n can have possible values from (-12) to 12
-12 <= n < 12
(-12) + (-11)+(-10)......+10+11+12=0
