Let a = {1, 2, 3, 4,}, b = {3, 4, 5, 6, 7}, and c = {2, 3, 5, 7} find: b∩c

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

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

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles