The students do not like the new location of poster 2 and ask the teacher if they can rotate poster 2 by 270° counterclockwise about the origin. The students then measure two features of the poster. The length of E'F' is inches.​

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?