I need help please and can you also explain how you got the answer I will give the crown, no trolls, no links please

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

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?

Find the degree 3 taylor polynomial p3(x) of function f(x)=(-3x+15)^(3/2) at a=2