Answer:
504 arrangements are possible
Step-by-step explanation:
Arrangements of n elements:
The number of arrangements of n elements is given by:

Arrangements of n elements, divided into groups:
The number of arrangements of n elements, divided into groups of
elements is given by:

In this case:
9 pens, into groups of 5, 3 and 1. So

504 arrangements are possible
If two pairs of corresponding angles in a pair of triangles are congruent, then the triangles are similar. We know this because if two angle pairs are the same, then the third pair must also be equal. When the three angle pairs are all equal, the three pairs of sides must also be in proportion.
hope this helps :)
Answer:
The answer is B 62
Step-by-step explanation:
I just divid 124 by 2
Answer:

Explanation:
Volume of right rectangular prism is same as volume of cuboid
Length = 22.9 meters
Width = 7.5 meters
Height = 4.6 meters
Volume of right rectangular prism = Length × Width × Height
= 22.9 × 7.5 × 4.6
= 22.9 × 34.5
= 790.05 meter³
= 790 meter³