I've attached the correct image to this answer, just in case they're scrambled.
Angle XZY *may be written as YZX* is vertical to angle VZU
UZY *may be written as YZY* is a linear pair to angle VZU
Answer:
362.02
Step-by-step explanation:
X^2 +9x +20 = x*x +5x +4x +5*4 = x(x+5) +4(x+5) = (x+4)(x+5)
hope helped