Is -5/3 rational or irratuonal

Find the missing factor in exponential form 48^2=3^2 • ?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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