On thursday after work, the number of cars in a parking lot decreased at a steady rate of 13 cars every 2 minutes. which rational number describes the number of cars per minute?

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Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Ineed with math stuff it involves graphs