3 lines are shown. One line contains point C, A, E and intersects a line with points B, A, D at point A. Another line extends from point A to point F in between B A E. Which are vertical angles? Check all that apply.

∠EAB and ∠BAC
∠EAB and ∠CAD
∠CAD and ∠FAE
∠CAB and ∠DAE
∠DAC and ∠DAE

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?