-3x + 9 - 4 = x + 3 + 2x
-3x + 9 - 4 = 3x + 3
9 - 4 = 6x + 3
5 = 6x + 3
2 = 6x
1/3 = x
Answer:
B he used the incorrect formula for the volume of the prism
Answer:

Step-by-step explanation:

Multiply the row of the first matrix to the column of the second matrix





simplifying them we get
