Math question help me

Solve the system of equations y= 3/2 - 1, -x+ y =-3

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.