Can anybody solve this?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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?

Factor the polynomial by its greatest common monomial factor.