Answer 10 and 11 and get 20 points

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.

What is the radius of the cone in the diagram? round your answer to the nearest whole number

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y