Answer:
y = 55x + 15
Step-by-step explanation:
i think this is it, but it might not be right
I say the answer is B. Bland
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:
678 cu. in.
Step-by-step explanation:
hope this helps!
Answer:
23 inches wider
Step-by-step explanation:
Subtract the 2 from the width 25 to get 23