Which pair or pairs of polygons are congruent

1: 4 if the wew 35 surfboards at the beach how many were short boards?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2