Solve the right triangle shown in the figure bc = 1.6in< a=48.8 c =90

The system of equations graphed below has how many solutions?

With number 11 ( show how you got the answer)

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