What number must be added to 1,575 to result in the sum of 8,625

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

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Maria solved an equation as shown below. what is the solution to maria’s equation?