A pair of adjacent angles whose non common sides are opposite rays

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

What is the value of p in the equation y^ = -4x?