Sine is the positive in quadrants i and ii only? true false

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.

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Plz hurry evaluate the expression a+b where a=8 and b=19