I'm not sure about what exactly your teacher is looking for, but the actual congruency conjecture you would use is:
(angle symbol) 1 (congruency symbol) (angle symbol) 8 - Because they are alternate exterior angles
8xy-7xy-3xy-3y²-2y²+8y²+5x²+12x²
then simplify by combining like terms -2xy+3y²+17x²
Answer:
22, -6
Step-by-step explanation:
q-8=14 or 8-q=14
q=22 or q= -6
Any singular matrix (a matrix with zero determinant) has no inverse.