C) will not effected (the most frequent is still 600$)
Answer:
B
Step-by-step explanation:

If you don't understand, you can ask.
Answer:
2.0
Step-by-step explanation:
x = age
y = average systolic blood pressure
x₁ = 40 years old, y₁ = 110 systolic blood pressure
x₂ = 50 years old, y₂ = 130 systolic blood pressure

∴ Slope of the regression line is 2.0
Answer:
One
Step-by-step explanation:
x+4y = 6
if why is 2x-3 plug it in
x+4(2x-3) = 6
simplify it and you get
x=2
Answer:
Her monthly salary is $4395.83
Step-by-step explanation:
Annual = 12 months
12 months = $52 750
1 month = $52 750 ÷ 12
= $4395.83(2d.p)
Monthly = $4395.83
(Correct me if i am wrong)