Find the unit normal vector to the surface  at the point .​

Find the indicated partial derivative, . .

Use the Chain Rule to find  and .

Describe the domain of the function .  

Use the Chain Rule to find .

Find symmetric equations of the normal line to the surface  at the point .​

28) Why are methane clouds not seen on Jupiter and Saturn?

26) Titan is a moon with a thick atmosphere, and its surface:

6) Which of the following is not evidence supporting the giant impact theory for the formation of the Moon?

36) Mafic (lava) is a term derived by contracting “magnesium” and “ferric”; it is an adjective describing a silicate mineral or rock that is rich in magnesium and: