Pls need to turn in 10 mins. I’ll give brainliest but only if right. Just 5 and 6

Which expression is equivalent to -12(3x-3/4)

Arectangular yard has area 96 square feet. if the width of the yard is 4 feet less than the length

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.