in science class 2/3 of the students have a sister. Of the students who have a sister 1/2 have a brother which model shows the fraction of students that have both a sister and brother

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms