If A ̸= 0 and AB=AC, where A, B, C are square matrices, then B=C.

Explain and prove why it's true or false

Let A and B be 7 × 6 matrices. If dimN(A) = 4, what is the rank of A? rank(A) If rank (B) = 2, what is the nullity of B? nullity of B =

5.PS-16 Question Help A shoe store uses a 60% markup for all of the shoes it sells. What would be the selling price of a pair of shoes that has a wholesale cost of $55? The selling price would be $ (Round to the nearest cent as needed.) Enter your answer in the answer box and then click Check Answer. All narte chowing Review progress Question 9. of 9 pe here to search