Solve the system of equations without graphin
2y = x-4
4x + 3y = 5

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Can some one explain this i got sent this. is this a threat i’m scared