Given: a = {18, 6, -3, -12} determine all elements of set a that are in the solution of the inequality 2/3x+3< -2x-7. a. {-3, 6, 18} b. {6, 18} c. {-3, -12} d. {-12}

Choose the triangle with x equal to 17.

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

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