Answer
a. $BMI=17.00$,
b. $(25, 17.00)$, Underweight range
Work Step by Step
a.$BMI=\frac{703W}{H^2}=\frac{703\times 105}{66^2}=16.945$,
$BMI=17.00$, rounded to the nearest tenth
b.$(25, 17.00)$,
The woman is in Underweight range.
Therefore, she is underweight.