Hose a runs at a constant rate and can fill a 11,000 gallon pool in 44 hours. how much less time would it take to fill the pool if
a. hose a and hose b ran simultaneously at their respective constant rates?
b. both hose a and hose b can fill the same fraction of the pool in one hour.
c. it takes hose b twice as long to fill the pool as it takes hose a and hose b running simultaneously to fill the pool.

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.