Please answer! will give brainliest if it makes any sense!

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.

X+ y = 5 ; x - y =3 solve using linear combination

How do i put 3(x+7) in distributive property