Simple the following equation -10x + 3y + 7x

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.

Find the equation using the point (4,8)

Identify the number as a rational or irrational.explain. 127