Calculate ∬S f(x, y,z) dS where f(x, y,z)=z and S is the surface created by
y=2−z2 , 0≤x, z≤9

Which statement best describes the polynomial

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Tyler reads 2/5 of a book on monday, 1/3 of it on tuesday, 2/9 of it on wednesday, and 3/4 of the remainder on thursday. if he still has 14 pages left to read on friday, how many pages are there in the book?