Can someone please help me?

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.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"