7. A glass blower has a commission to create a hollow glass sphere. The diameter of the sphere will be 18 cm, and the walls will be 1 cm thick. What volume of glass is needed?

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer