Permutations
slot method
8 slots
1st slot has 8 choices
2nd has 7 because 1 went to first slot
3rd has 6
4th has 5
5th has 4
6th has 3
7th has 2
8th has 1
8*7*6*5*4*3*2*1=40320 ways
Answer:
y = 90
Step-by-step explanation:
Since, e || f and a || b
Therefore, quadrilateral so formed is a rectangle.
Each angle of a rectangle is right angle.

The answer is 11.2 pounds.
<span>the first thing to do is to divide the irregular shape into regular shapes that you can recognize such as triangles, rectangles, circles, squares Then you can, find the area of the individual shapes and add them up
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1.355 meters. hope that helped