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Use Pascle's triangle, expand and simlify the bionomial power (2x - y)4.

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?