3 Look at the net below.
25.98 mm
30 mm
30 mm
30 mm
Find the total surface area.
А
mm
B
1,558.8 mm2
c
220 A2

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?