1. x ty = 2 2. x ty = -2 3. x - z = 2 4. 2 - * = 2Match the equations of the spheres with one of the graphs below. 1. x2 - 4x + 32 + 22 15 = 4 2. 2 2 + 82 + ( 2 + 1 ) 2 = 3. a2 + 32 + 22 = 4 4. 2 - 4x + y' - 4y + 22 - 22 = 35 4Match the equations of the plane with one of the graphs below. Section 10.3: Problem 6 (1 point) What is the angle in radians between the vectors a = (-10, -4, 10) and b = (6, 10, 3)? Angle: (radians)