2x + y - z= -8 2y+3z= -6
1
- 1x+y+z=-4

For the following matrix, which of the following matrix operations would result in 241 = 1?
A. Multiply row 2 by-1 and add it to row 1.
B. Multiply row 3 by -4 and add it to row 1.
C. Multiply row 1 by -1/2
D. Multiply row 1 by 1/2

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?