What is the answer? Please! ill mark brainliest!

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Can any one me with the answers to these questions asap?