To find the height of a pol0, a surveyor moves 140 feet away from the base of the pol0 and then, looking through an instrument that is 4 feet tall, measures the angle of elevation to the top of the pole to be 44 degress To the nearest foot, what is the height of the pol0 from the ground? a: 135 ft
b: 149 ft
c: 145 ft
d: 139 ft

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Manuela solved the equation below. what is the solution to manuela’s equation?