100%-55%=45%
we are going to use the 45%
620 x .45= 279
279 people have just one pet
angle a + angle b + angle c = 180° (angle sum property of triangle)
110°+35°+angle c=180°
165°+ angle c = 180°
angle c = 180°-165°
angle c = 15°
Answer:
Since x=2 is a vertical line, there is no y-intercept and the slope is undefined.
Step-by-step explanation: