Britton has 50 favorite songs. He listens to 10 songs at random. Determine the probability the 10 songs he listens to contains 2 of his favorite songs. Make sure your answer is written in fraction form. For example, 1/25, etc. Please explain!!!

Anyone know these questions? i need ,.

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.

Complete the statements about the two cones. the volumes of the cones are equal when . if a > b, then the cross-sectional area of cone a is the cross-sectional area of cone b at every level parallel to their respective bases.