2. (-4) - 3- 1- 8

A) -10

B)-16

C) -19

D) -8

B) -16

Step-by-step explanation:

-4-3-1-8

subtract them all lol

7+9= 16

Then add the negative symbol

-16

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²