How many solutions does this system have? x + 2y – 3z = 4
- 2x – 4y + 62 = -8
3x + 6y - 92 = 12
O There is no solution.
o There are an infinite number of solutions.
O There is one solution.
o There are three solutions.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

their is no graph showing

step-by-step explanation:

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2