The power generated by a wind turbine depends on the wind speed . the expression 800 v^3 gives the power in watts for a certain wind turbine at wind speed v in meters per second . if the wind speed triples , by what factor does the power generated by the wind turbine increase ?
2) can you write the expression 49x^2y^2z^2 using only one exponent ? show how or explain why not ?

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Ihonestly have no clue if it's each or none.