Use spherical coordinates. Evaluate (x2 y2) dv e , where e lies between the spheres x2 y2 z2 = 1 and x2 y2 z2 = 9.

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

nswer: a   y-axis

step-by-step explanation:

a reflection across the x axis and a 90 degree rotation left and right.