Which simplified fraction is equivalent of 0.56. ?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost