There are 12 such shapes. One can start with two squares, adding squares around the edge and rejecting shapes that have been previously seen. Repeating until you have 5 squares results in 12 distinct shapes.
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2 shapes are possible with 3 squares: L, I
5 shapes are possible with 4 squares: L, I, N, T, O
Answer:
Option C. 
Step-by-step explanation:
we know that
Using a Excel tool (Correl function)
see the attached table
The r-value is 
Answer:
EF =11 ft
Step-by-step explanation:
if CB = 11ft then EF will also be 11 ft since both triangles are congruent to each other
5 7/8 is the answer to the problem
Answer:
13x - 12 =
Step-by-step explanation:
17x + (-4x) = 13x
(-5) + (-7) = -12