Como pasar la matriz 2 -2 3 4

2 1 0 3

A matriz escalonada y a matriz escalonada reducida no se como se hace alguna idea?

What are the domain and range of the function? f(x) = -4 (sqrt)x

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.