Answer:
15
Step-by-step explanation:
Using the distance formula
36/54 = 2/3
24/36 = 2/3
16/24 = 2/3
<span>common ratio for the geometric sequence is : 2/3</span>
<span>2 x^2 y^6 z^5
5 x^4 y^5 z^3
---------------
10 ^6 ^11 ^8</span>
Answer:
Permutation
504 ways
Step-by-step explanation:
The difference between combinations and permutations is ordering. With permutations we DO care about the order of the elements, whereas with combinations we don't.
In your graphing calculator, type
nPr(9,3)
(9 letters in trapezoid, 3 letter combos)
and it returns 504.
-147 +25 = 122 i am pretty sure this is right but i might be wrong
