2x + y -z = -8 2y + 3z = -6
x + y + z = -4
2
For the following matrix, which of the following matrix operations would result in an = 1?
Multiply row 2 by -1 and add it to row 1.
Multiply row 3 by -4 and add it to row 1.
O Multiply row 1 by -
O Multiply row 1 by
1

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation:

19

step-by-step explanation:

a. (14,375+570)(5.3) b. 158,417$

step-by-step explanation:

a. you are basically just setting up the equation. f= amount of debt hence 14,375. g= how much she is borrowing from her parents weekly hence 570 and t= the interest on her debt. creating the equation.

b.   14,375+570= 14,945

      14,945 x 5.3 = 79,208.5

      79,208.5 x 2(years) = 158,417(answer)