The matrix below represents a system of equations. 2 1 1 | 4, -3 2 -1 | -8, 1 -1 1 | 5

Which matrix represents the solution to this system of equations?
1 0 0 | 1, 0 1 0 | -1, 0 0 1 | 3
1 0 0 | 2, 0 1 0 | -4, 0 0 1 | 3
2 1 1 |4, -3 2 -1 | -8, 1 -1 1 | 5
1 0 0 | 4, 0 1 0| -8, 0 0 1 | 5

Evaluate cos2θ for cosθ = square root of 3/2

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

The description below represents function a and the table represents function b: function a the function is 5 more than 3 times x. function b x y −1 2 0 5 1 8 which statement is correct about the slope and y-intercept of the two functions? (1 point) their slopes are equal but y-intercepts are not equal. their slopes are not equal but y-intercepts are equal. both slopes and y intercepts are equal. neither slopes nor y-intercepts are equal.