Nned help with these two will give brainliest i have two minuets left!!!

Select all the correct locations on the image. select all the expressions that result in a product that is a rational number. mulitiple choice4/3 x 12/3 32/4 x 15/4[tex]\sqrt{\frac{3}{2} }[/tex] x 22/7[tex]\sqrt{11}[/tex] x 2/3

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent