Can repeating decimals be written as a fraction?

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.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.