Which of these are equivalent to 20% : 0.002, 1/4, 0.20 or 1/5

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?