Oliver is 33 years older than his son. Eight years ago, Oliver's age is five more than thrice his son's present age. How old is Oliver now? pls answer with solution :]​

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?