A 24 pack of box of colored gel markers cost $12.96. What is the cost per marker ?

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?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test