If an electric train is moving north at 100mph and a wind is blowing to the west at 10mph, which way does the smoke blow?

Ineed to learn how to solve this problem

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.

Could someone with number 1 and 2