Answer:
540cm^3
Step-by-step explanation:
4*3*5*9=12*5*9=60*9=540
The solution for y=2x-4: y= -8
The solution for y=3x-4: y= -12
From left to right - (-2,6) (4,1) (-2,5) top (1,-3) bottom (-4,-1) (2,-5)
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