The sum of two numbers, x and y, is 12. the difference of x and two times y is 6. what are the values of x and y?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Triangle xyz has vertices x(1,3), y(0,0)

A.s.a.! similarity in right triangles, refer to the figure to complete this proportionc/a = a/? a.) cb.) hc.) rd.) s