Iknow this might be hard but how do you make 0.12 into a fraction

If 25% of y is 30, what is 60% of y?

Which of the following will form the composite function?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.