The number of hours that the employees at the grocery store worked last week is normally distributed with a mean of 24 and a standard division of 6. if there are 60 total employees, approximately how many worked at least 30 hours last week ?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =