The sum of two numbers is 25. the difference of two numbers is 3. find the numbers

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

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee