Solve: 6 and 2/5 divided by 4/5

Given right triangle xyz, which correctly describes the locations of the sides in relation to

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.