Abag contains 30 lottery balls numbered 1-30. a ball is selected, replaced, then another is drawn. find each probability

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?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

Interpret the following expression (5y^2-7)^3/(2y)^2