What is the solution to the system of linear equations graphed below? On a coordinate plane, 2 lines intersect at (negative 2.5, negative 2).

HELP FAST

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

What is the measure of angle tvu shown in the diagram below

Evaluate cos2θ for cosθ = square root of 3/2