What is the question????????????????????????????????????????????
Answer:
do you mean seconds in an hour?
Step-by-step explanation:
Answer:
x +0y+0z = 400
-x +y+0z = 150
-8x +0y +z = 250
Step-by-step explanation:
The last column is the solution
The rest of the columns are the coefficients of the variables
x +0y+0z = 400
-x +y+0z = 150
-8x +0y +z = 250
Answer: 99 square inches
Step-by-step explanation:
i believe you add it all together