Sam spends 3 hours painting one room, and jack can paint a room in 4 hours. if they work together, how long will it take to paint 1 room

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points