Alba bought two necklaces for $6 each and later sold each for $10. Then she bought three necklaces for $7 each and later sold each for $13. How much profit did Alba make selling necklaces?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)