Is this correct please let me know

Giving ad is congruent to bc and angle bcd is congruent to angle adc prove d e is going to ce

Find the domain of the following expression: 1/(√x)-2

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