Please help! Having a lot of trouble with this

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.

The girls swim team is hosting a fund raiser. they would like to raise at least $500. they are selling candles for $5 and flower arrangements for $6. the girls estimate that at most they will sell 200 items.