Who is my brother? Hint: he is on this site

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0