A class contains $$5 girls and $$7 boys. Two are selected for a class committee. What is the probability that a girl and boy are selected? Probability=

Convert 2000 swiss francs to dutch guilders

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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