An activity has a pessimistic time that is four times as long as its most likely time and six times as long as its optimistic time. If the activity variance is 12, what is the expected time?

A) About 8 days

B) About 9 days

C) About 10 days

D) About 11 days

Of four points are collinear, they are also coplanar

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080√30 feet wide and 500√20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580√40 feet b. 5,320√5 feet c. 3,160√20 feet d. 10,640√5 feet