Solve, using the substitution method. 3m - n = 2 2m + n = -7
A. (-10, -1)
B. (-2, -5)
C. (-1, -5)
D. (-5, 1)

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

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

You are riding your bike and notice the square sign above. you mentally draw a straight line from point a to c. describe the angle relationship between dca and bca