Answer:
coefficent matrix
Step-by-step explanation:
P. 366
"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"
-1 -3 -1
9 -9 -1
-1 -3 4
Answer:
D
Step-by-step explanation:
none of the option satisfy the equation
I believe the answer is A
Answer 70 = 7070
Step-by-step explanation: denotes how many times to multiply the base (70)
You can make 4 triangles out of a 3x3 square.