There is a rope running from the top of a flagpole to a hook in the ground. the flagpole is 8 meters high and the hook is 4 meters from its base. how long is the rope?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?