Pls help me with these problems it is due today and i need help:)

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2