Which number gives you a rational sum when you add it to 4/7

a). pie
b). 5/9
c). square root of 2/7
d). square root of 12

What properties allow transformation to be used as a problem solving tool

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

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