Tiffany collects perfume bottles. she has 99 bottles in her collection. two thirds of her perfume bottles are made of crystal. how many of the perfume bottles in tiffany's collection are made of crystal?

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

What is the value of x in the equation7x+2y=48 when y=3

For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x