Consider the two lines: 0 L1: y + a t for tek 12: 3 - [8 ] + [ ] - fox . Find all values for a such that these two lines do not intersect. Select one alternative: O All a ER \\ {0, 1} O No values of o satisfy this condition. O All a E R OaE {0, 1}T 3 Decide which of the following planes are parallel to the line -2 t for te R. 3 Select one alternative: O 3x + 2y + 3z = 5 O None of the other options ODetermine if each of the following statements is true or false. S1: In 2D the equation (x - Xo) . n = 0 represents a straight line. S2: In 3D the equation x = xo + us + vt for s, t E R can represent a straight line. Select one alternative: O S1 and S2 are false. O S1 is true and S2 is false. O S1 and $2 are true. O S1 is false and $2 is true