What property is 6x + (7 + 2x) = 6x + (2x + 7)

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe