Answer:
3
Step-by-step explanation:
B.
This is because perpendicular lines have opposite and flipped slopes.
Answer:
1/x^3
Step-by-step explanation:
foil method
Answer:
True
Step-by-step explanation:
Answer:
Variance is the squared deviation and deviation is the difference of observed value from other values
Step-by-step explanation:
Variance is the squared deviation and deviation is the difference of observed value from other values


Where, 