Find the area of the segment with a 120° arc and 78cm radius.

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$