Z = -13/12 would be the answer.
Answer:
63
Step-by-step explanation:
A= HxB÷2
7x18÷2=63
Answer:
y + 1
Step-by-step explanation:
if y = the total balls
then y + 1 = total balls plus 1
Trace of a matrix is defined only for a square matrix . It is the sum of the elements on the main diagonal, from the upper left to the lower right, of the matrix