If 12 oranges cost 5.04 how much does 1 orange cost

How to simply and write the answer n a whole number

Two less than the quotient of a number and four is less than six. i need the inequality. a. x< 32 b.x< -32 c.x> 16 d.x> -16

Sound travels about 750 miles per hour. a) suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet? for this i got 825 ft b) suppose you stand 1,925 feet from the canyon wall and sound the horn. how long will it take to hear the echo? (i'm stuck on this)