After stepping into a room with unusual lighting, shannon's pupil has a diameter of 2 millimeters. what is the pupil's area?

answer:

a =3.14

step-by-step explanation:

the area is π(pi) times the radius (half of the diameter) ^2 (squared)

a=πr^2   the formula

a=π1^2   the equation.

a=π1       1^2= 1

a=3.14     π(1)= 3.14

answer:

3.14 i think sorry if wrong

the answer to this question is 3/19

step-by-step explanation:

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock