What is the inequality shown

S-7< 3 i need answering this problem someone asap answer

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Which of these tools or constructions is used to inscribe a hexagon inside a circle?