If h(x) = 5 + x and k(x) = 1/x, which expression is equivalent to (k•n)(x)? (5+ x)
х

1
(5+ x)

5+ (1/x)

5 + (5 + x)

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Using elimination, what is -4x+2y=-12 4x+8y=-24

Given abc find the values of x and y. in your final answer, include all of your calculations.