Write 3^n/9^n-1 as a power of 3

What is the value with a place of tenths in 907.456 1) 0 2) 6 3) 4 4) 5

Find the equation using the point (4,8)

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