Answer:
-8.2,-2 1/2, 0.4,2.4
Step-by-step explanation:
hope that helps
The approximate age of a woman whose normal systolic pressure measures 125 mm Hg is 31
The function is given as:

When the normal systolic pressure is 125, it means that:

So, we have:

Subtract 125 from both sides of the equation


Rewrite the equation as:

Using a graphing calculator, we have:

But age cannot be negative.
So, we have:

Approximate

Hence, the age of the woman is 31
Read more about quadratic functions at:
brainly.com/question/11441586
Answer:
1.85
Step-by-step explanation:
20.2-18.35=1.85