Me. kennel purchased a 12-pack of cherry coke zero at target for $3.24. how much did he pay for each can ?

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Ineed with math stuff it involves graphs