Use polar coordinates to find the volume of the given solid. Bounded by the paraboloids z = 9x2 + 9y2 and z = 10 − x2 − y2

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)