The Rank of a matrix can not be greater than the number of columns or rows
Select the appropriate response:

A)Only if row 1 = 0
B)false
C)True
D)Only if column 1 = 0

help please!

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.