slove the following systems of equations using any method. y= 3x + 7 , y= x- 9 , 3x- y= 1 , 7x + 2y = 37.​

Which system of linear inequalities is represented by the graph?

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?