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

Ihave trouble finding the nth term of a linear sequence

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?