Sam did 480 j of work when moving a bag with a mass of 38 kg. he did the work in 4 minutes. what was the power output?

a.442 w
b.20 w
c.120 w
d.2 w

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a. m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum. how many seats does the larger van have?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=