Add and simplify. 1 1/3 + 2 3/4
a. 3 4/12
b. 3 1/3
c. 3 13/12
d. 49/12
e. 4 1/12
subtract and simplify.
11 1/12 − 2 2/3
a. 9(−7/12)
b. 8 5/12
c. 8 7/12
d. 9 7/12
multiply and simplify. 1 3/12 ⋅ 2 2/3
a. 2 5/36
b. 2 1/6
c. 2 6/36
d. 3 1/3

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

The total number of dental clinics total for the last 12 months was recorded

What is the value of x? enter your answer in the box. x =