An adult’s body has 206 bones. of these, 106 are in the feet, ankle, wrists, and hands. what fraction of an adult’s bones are in the feet, ankles, wrists, and hands? write the fraction in simplest form.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if