Answer:
D.6
Step-by-step explanation:
The answer is 136 because 7 x 18 is 126 then + 10 is 136
Answer:
1.one solution
2.no solution
3.ifinitly many
Step-by-step explanation:
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