Let a be a non-empty and bounded set and let sup a. (a) prove that s ea (b) prove that if s e a then a is not open.

if im undersanding the question correctly, its organized from 10

step-by-step explanation:

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

3

step-by-step explanation:

150.6

all i did was i multiplied 5.02 by 30