Use spherical coordinates. Evaluate (x2 y2) dv e , where e lies between the spheres x2 y2 z2 = 4 and x2 y2 z2 = 16.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Line wx is parallel to line yz. if m

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project