Mike completes 2/3 of a work in 25 1/2 hours. how many hours does he need to finish the whole work? simplify your answer and write it as a proper fraction or as a whole or mixed number. show your work.

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?