x= 55°
according to the picture .........
Eighteen could be in standard form 18 or expanded form 10 + 8.
I think the answer is d hope this helps
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:just do the math mate
Step-by-step explanation: